FCC ID: 2ADOEM20BT1 Portable Photometer

Contents eXact Micro 20 Specifications eXact Micro 20 with Bluetooth SMART Specifications About your eXact Micro 20 photometer About Bluetooth SMART About eXact Strip Micro Compliance verification for Free & Total Chlorine Testing About the eXact iDip app for Micro 20 with Bluetooth SMART Managing data with the eXact iDip app 3 3 4 4 5 5 6 7 eXact Micro 20 Test Specifications 8 9 Select group overview eXact Micro 20 meter messages About the Sample Cell (builtin 4 mL) How to install or replace "AAA" batteries 2Year Limited Warranty Using eXactStrip Micro (reagent strips) Test Procedure Alkali pH, Acid pH, Biguanide, Bromine, Calcium Hardness, Chloride, Chromium, Copper, High Range Chlorine, Hydrogen Peroxide, Nitrate, Nitrite, Ozone, Peracetic Acid, Permanganate, pH, Phosphate, Quaternary Ammonia, Sulfate, Total Alkalinity, and Total Hardness HR & LR Using eXact Reagent (liquid drops) Test Procedure Cyanuric Acid and Fluoride Free or Total Chlorine Combined Chlorine Free and Combined Chlorine (direct read) Aluminum, Ammonia & Sulfide Cyanide Total Iron High Range Chloride Manganese Chlorine Dioxide Nitrate (salt water > 4000 ppm) Accessories / Kits About the Accuracy/Calibration of the eXact Micro 20 System eXact Strip Micro (DPD1) Accuracy Tips for Best Accuracy Available Reagents / Reorder Information Contact Information 10 10 11 11 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 27 28 31 32 2 eXact Micro 20 & eXact Micro 20 with Bluetooth SMART

MENU SELECT GROUP SAMPLE CELL Builtin plastic 4mL cell for collecting your water sample LCD SCREEN BATTERY LEVEL RESULT IN PPM READ BUTTON Starts test timer ON/ZERO BUTTON Turns the meter on and creates a baseline for your water testing BATTERY COMPARTMENT COVER AAA BATTERIES x4

(NOT INCLUDED) CELL COVER Covers the cell for mixing and bright light situations MENU BUTTON Use to scroll through group selections (7 different groups) SELECT BUTTON Use to select test within group Technical Specifications

*for eXact Micro 20 with Blutooth SMART only eXact Micro 20 (486700) eXact Micro 20 with Blutooth SMART (486700BT) Measurement method Photometric Cell chamber Light source Light Emitting Diode

(LED) with precision filter Custommolded, proprietary, PET plastic fused into chamber, nonremovable Sample required 4mL (0.13oz) Wavelength Dual525nm & 638nm Operating temp range 0 50C (32122F) Transmission range 100 0.00%T Power supply

(4) AAA alkaline batteries Photometric precision

+/ 0.1/0.01 %T Battery life

>2000 tests Automatic range selection See specifications below Display Cell pathlength Reagent system 3digit customized liquid crystal display with annunciators 20 nm Utilizes patented eXact strip micro reagent delivery system with our EZ3 Electromagnetic compliance (EMC) Emitted interference EN61326 Immunity to interference EN61326 Waterproof rating Exceeds IP67 Weight Dimensions 181g (6.4oz) with batteries 5 x 3.5 x 16.5 cm

(2 x 1.4 x 6.5) in W x D x H Wireless Bluetooth SMART compatable with Bluetooth 4.0 (Android 4.3 and Apple iOS 6.1 to iOS7) About your eXact Micro 20 photometer In order to save power, the meter is designed to turn off after 3 minutes (timed from the last button pressed). Should the meter turn off in the middle of a test, the last stored zero in the meter will remain valid when the meter is turned on again. Also, the test result is stored in memory for easy retrieval. The eXact Micro 20 meter is controlled by four buttons:

When first pressed, the ZERO/ON button powers the meter. When the meter is on and this button is pressed, it zeros the sample in the cell. It is recommended that each new water sample analyzed is zeroed before testing, to maximize sensitivity and accuracy. With each press, the SELECT button advances through the Select Group 1 through 7. The current Select Group will appear as a small digit to the right of the selected MENU (example: ). With each press, the MENU button advances through the tests available in the current Select Group. Each test menu can store up to 20 results. To retrieve the stored results, go to the desired test using the MENU key. When the desired test is displayed, press and hold down the MENU key. Continue holding down the MENU key to scroll the stored results for that test, starting with the most recent result. The meter will display, from memory, the last 20 readings in sequence beginning with 20, which is the latest result, followed by 19, which is the 2nd latest result, etc; and finally 01, which is the oldest result retained. Only the last 20 readings are stored in each menu. When READ is pressed once, this button starts the timer for the parameter being tested. When pressed a second time the meter exits the timer and immediately prepares to measure the sample by colorimetric analysis. The meter will simultaneously store the measurement in memory. If the parameter being measured is below or above the detection range, the display will show LO (Under Range) or HI (Over Range), respectively. This feature is menu specific and does not apply to all parameters. About Bluetooth SMART Bluetooth SMART is a lowpower wireless networking standard which uses short radio waves to allow electronic devices to communicate with each other. The eXact Micro 20 with Bluetooth SMART comes standard with the latest Bluetooth 4.0 technology (www.bluetooth.com/Pages/

BluetoothSmart.aspx), a class 2 device with a wireless working distance of up to 30 feet (10 meters) and a 2.1 Mbps data transfer rate. This allows a seamless transfer of data between a smart device and the eXact Micro 20 with Bluetooth SMART. 4 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc. About e act StripStrip e act e act Strip The eXact Micro 20 and Micro 20 with Bluetooth SMART are designed to work with our line of eXact Micro Strips. This type of reagent delivery method is designed to give the most precise accuracy reading for testing various water quality parameters. eXact Strip Micro has been designed to offer the user a more Green and costeffective alternative to testing. Instead of using a 10 mL water sample, eXact Strip Micro uses a 4mL water sample, which uses up to 60% less chemical per test. The accuracy of the meter is maintained by designing the photo cell with a 20 mm pathlength. For a complete list of eXact Strips Micro we offer, please see page 31. Compliance verification for Free & Total Chlorine testing This DPD test system is accepted by most health departments because this test is USEPA (DIN Standard 38 408 G4, ISO 7393/2) accepted for testing requirements for Free and Total Chlorine. The eXact Micro 20 meter uses a wavelength of 525 nm; and the compliance requirement is that the colorimeter wavelength is between 490 nm to 530 nm. The eXact Strip Micro CL (DPD1) uses the same reagents and proportions, and the resulting solution pH is maintained between 6.2 and 6.5 as specified by AWWA (American Water Works Association) method 4500Cl G. It should be understood that the USEPA does not approve commercial DPD delivery systems such as reagent powder pillows, tablets, dispensers, or eXact Strip DPD delivery devices. The eXact Strip Micro CL (DPD1) for Free Chlorine, and the eXact Strip Micro CL (DPD3) or the eXact Strip Micro CL (DPD4) for Total Chlorine meet your reportable testing requirements because the eXact Strip Micro CL delivers the same chemicals in identical proportions (see table below); therefore, the system is compliant. Likewise, AWWA proportions are followed as required for Total Chlorine measurements using Potassium Iodide. Component

(Free Chlorine) AWWA 4500CI G eXact DPD1 Anhydrous DPD sulfate Anhydrous Na2HPO4 Anhydrous KH2PO4Na2 EDTA 1.5%

33.4%

64.0%

1.1%

1.5%

33.4%

64.0%

1.1%

5 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc.For best accuracy, when testing outdoors, in sunlight, place cap over cell cover eXact iDip app overview HOME SCREEN MENU:

Opens slide-out for easy access to all app features History:

Accesses saved results which can be sorted, edited, and emailed. Also accesses History Map CUstoMErs:

Attaches results to people and/or locations from your smart device contacts CALENDAr:

Displays your schedule/

appointments storE:

Opens store to unlock additional tests tEst:

Initiates water testing rEsULts:

Accesses temporary results that have not been saved to history BLUEtootH DEviCE TEST RESulT SCREEN M20 tEstiNg pArAMEtEr pArAMEtEr UNit of MEAsUrE Scroll unit of measure values. Some tests offer results in multiple units of measure. tEst ABBrEviAtioN tEst rEsULt Dots iNDiCAtE MULtipLE UNits of MEAsUrE

(Available for some tests) 6 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc. eXact iDip app overview Menu The Menu slide-out is available from any screen within the app. The Menu allows you to access any of the apps features with ease. HOW TO VIEW YOUR GPS LOCATION ln the Settings screen you can view your current GPS coordinates and/or refresh your current location coordinates. ABOUT Access the End-User License Agreement and contact information to reach our offices in the USA and Europe from the About section located in the Menu slide-out. Located in the About section you can find which version of the app you are running. Be sure to check for updates and install the latest version before running a test as we are constantly updating and adding more features to the app!

Test You can utilize two different testing methods under Test; Manual Entry or Bluetooth Device. BLUETOOTH TEST Tests will be performed with your eXact Micro 20 Standard strip method or Standard drop method test procedure. MANUAL TEST This feature allows you to utilize other testing methods and manually enter your results into the app. Begin by selecting `Test, `Manual entry, then `Change value to enter. History The History stores all your saved test result information and allows you to sort by date, customer name, or test type. HOW TO SORT BY CUSTOMER To sort by Customer begin by clicking `History, then `Sort by, `Customer. You can then scroll through your list of customers, by name, to find a specific test result. HOW TO SORT BY DATE RANGE To sort by Date begin by clicking `History then `Sort by, `Date. You can then scroll through a list of tests performed by date. You can also set a specific date range period by selecting `Date range. Then set your From and To date ranges. HOW TO SORT BY TESTS To sort by Test begin by clicking `History then `Sort by, `Test. You can then scroll through a list of tests sorted in alphabetical order. HOW TO ACCESS HISTORY MAP The History Map stores GPS locations of testing sites. See page 20 for instructions on how to utilize this feature. 7 eXact iDip app for eXact Micro 20 with Bluetooth SMART The benefits of purchasing an eXact Micro 20 with Bluetooth SMART is the ability to connect your photometer to a smartphone or tablet and use our specially designed app to easily save, send, and share your test results. First, select your test using the menu selections on your Micro 20 then run the test and the results will simultaniously display on the app and on your Micro 20 with Bluetooth SMART. From the app, you can save, send, and share the results directly linked to your customers information and GPS location to include date/time stamp. The eXact iDip app is available for use on both Apple and Android devices. The app is compatable with Bluetooth 4.0 devices (Android 4.3 and Apple iOS 6.1 to 8.1) For a full list of compatible devices please visit www.sensafe.com/compatibledevices When using your eXact Micro 20 with Bluetooth SMART and the eXact iDip app. You will need to complete the following steps after you have rinsed and filled your cell with the water sample and prior to zeroing your meter and dipping your strip. HOW TO SELECT A CUSTOMER From your smartphone/tablet, launch the eXact iDip app. Select `Customers from the home screen. From the Customers list `Choose your customer from contacts or add a new customer by selecting the `+ in the upper right hand corner. Please Note: When you add a new customer to your recent customers list, they will not appear in the list until you have ran and saved a test using the app and your eXact Micro 20 with Bluetooth SMART photometer. HOW TO CONNECT VIA BLUETOOTH Tap the menu slide out screen ` and select

`Bluetooth test. Select your eXact Micro 20 from the list located at the bottom of the screen. Verify it has connected and tap `OK. The serial number is located on the back of your device, this will display in the app. Refer to the serial number to ensure you are connected to the correct device. READ RESULTS Results will display simultaneously on the Micro 20 photometer and app. Please note that batch uploading tests saved on your eXact Micro 20 to a smartphone/tablet is not yet available. If you want to save a test result from your Micro 20 to the app, you will need to run the test while connected to the app or enter the result manually. 8 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc. Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc. Managing data with the eXact iDip app After you have ran your test, you can save, send, and share your results, by following the steps below. MANAGING DATA (SAVE/SEND/SHARE) When all tests have been performed, select `Results at the bottom of the screen. To add notes tap the desired test result. TYPE NOTES Add any notes you wish into the

`Notes box. The additions will be automatically saved. MANAGING DATA (SAVE/SEND/SHARE) Go back to `Results and select `Save to store the test results with notes into `History HOW TO MANAGE DATA IN HISTORY In History, you can edit, select, and email your results. To email, you can either tap an individual result, or use the `Select button to access multiple data points. HOW TO EMAIL RESULTS FROM HISTORY Press the blue envelope icon from a single result selection. If multiple test results are selected, tap

`email at the top to send the result information for selected results. Additional notes cab be added to the body of the email. Add recipients and tap send to complete. ACCESSING RESULTS FROM HISTORY MAP Tap `Map on `History page to access the History Map. Double tap or use fingers to zoom into an area. Select a pin by tapping to bring up results. From the specific location you can bring up the test results details page. 9 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc.For best accuracy, when testing outdoors, in sunlight, place cap over cell cover eXact Micro 20 Test Specifications Parameter / Test Part No. Pg 1 2 3 4 5 6 7 8 9 Alkalinity, Total Aluminum (AI3+)1 Ammonia (NH3) Biguanide Bromine (DPD1) Calcium (CaCO3) Chloride (NaCL) III Chloride, HR (NaCL) III Chlorine Dioxide (DPD1) 486641 486821 486654 486810 486637 486629 486757 486757 486633 10 Chlorine, Combined 486637 & 486638 11 Chlorine, Free (DPD1) 12 Chlorine, High Range 13 Chlorine, Total (DPD4) 14 Chromium (VI) 15 Copper (Cu2+) 16 Cyanide 486637 486672 486670 486614 486632 486812 17 Cyanuric Acid II 481652II 18 Fluoride 19 Hardness, Total HR (as CaCo3) 20 Hardness, Total LR (as CaCo3) 21 Hydrogen, Peroxide 23 Iron, Total 24 Manganese (Mn2+) 25 Molybdate 26 Nitrate (NO3) 27 Nitrate (salt water>400 ppm) 28 Nitrite (NO2) 29 Ozone (DPD4) 30 31 32 33 34 35 Peracetic Acid (DPD4) Permanganate (DPD1) pH pH, Acid pH, Alkali Phosphate (PO4) 34 Quaternary Ammonia 36 37 38 Sulfate (SO4) Sulfide (S2) Turbidity 486643 486656 486630 486648 486650 486606 486653 486655 486655 486623 486634 486674 486626 486639 486624 486609 486814 486823 486608 486818 N/A For select group & menu overview, see page 12. 10 2 1 AL41

3 Group 4 5 AL13 AL14 NH32 NH44 6 7 AI36 bG83 bR63 CA53 CHH3 CH54 CL33 CL33 CL64 CL64 CL33 CL64 Cu94 CN12 CY73 CL11 CL11 CL11 CU61 F81 FE22 FE31 MN71 NO34 NO24 PH21 PH23 PH74 bR25 Cd45 CL15 CL15 CLH5 CL15 HP65 O35 PA55 PM75 CR66 F16 THH6 THL6 MN26 Mo76 TR17 PHA2 PHb2 PO42 S52 TU51 PO43 PO84 QA85 QA56 SO46 Value provided represents best possible accuracy under laboratory conditions, but may vary throughout the detection range. For a complete list of accuracies throughout all ranges please visit sensafe.com/micro20/specifications. Countup Time Immediate AL Strip Reagents Used Range

(ppm) Resolution | Best Accuracy 8 200 0.1(850), 1(51200) 80 seconds 5 Drops AL Buffer & AL Strip 0.1 1.2 500 seconds 3 Drops NH (reg. water) or 10 Drops NH (salt water), & NH Strip 0.02 2.4 0.01 0.01 Immediate BG Strip Immediate CL (DPD1) Strip Immediate Immediate CA Strip CH Strip Immediate 1:20 Dilution of sample & CH Strip Immediate Glycine Srip & CL (DPD1) Strip Immediate CL (DPD1) Strip & CL (DPD3) Strip Immediate CL (DPD1) Strip 120 seconds HR Strip Immediate CL (DPD4) Strip 240 seconds Cr Strip 120 seconds CU Strip 600 seconds CN1 Strip & CN2 Strip 60 seconds 5 Drops CY Immediate 10 Drops F Immediate THH Strip Immediate THL Strip 120 seconds HP Strip 1.6 210 0.1(0 20), 1 (21 210) 0.01 12 0.01(0.1 2), 0.1(2.1 12) 16 400 1 330 26 6600 0.01 10 0.01 6.2 0.01 6.2 1 1 20 0.01 0.01 0.01 1 300 0.01(0.3 20), 1(21 300) 0.01 6.2 0.01 1.8 0.01 0.01 0.01 11 0.01(0 4), 0.1(4.1 11) 0.01 1.1 7 110 0.04 1.5 60 600 1 80 0.3 100 0.01 1 0.01 1 1 0.01 40 seconds EZ Open Reducer (Powder) & FE Strip 0.03 6 0.01(0.03 2.5), 0.1(2.51 6) 120 seconds MN#1 Strip, MN#2 Strip, &3 Drops MN 120 seconds MO Strip, 5 drops of MO Reagent 600 seconds NO3 Strip 580 seconds NO3 Strip 360 seconds NO2 Strip Immediate O3 (DPD4) Strip Immediate PA (DPD4) Strip Immediate PM (DPD1) Strip Immediate PH Strip Immediate Acid PH Strip Immediate Alkali PH Strip 120 seconds PO4 Strip Immediate QA Strip Immediate SO4 Strip 180 seconds 4 Drops S & S2 Strip Immediate Distilled or DI water 0.01 1.5 0.01 3 0.01 0.01 0.1 30 0.01(0 5), 0.1(5.1 30) 0 90 0.01 1.8 0.01 2 0.01 6 0.01 5 5.8 8.5 pH 3.2 6 pH 7.2 9.8 pH 0.01 0.01 0.01 0.01 0.01 0.1 0.1 0.1 0.03 4.4 0.01(0.03 2.5, 0.1(2.6 4.4) 4 2 80 2 210 0.01 1.7 4 800ntu 1 1 0.01 1 6 10 6 10 7.5 13 5 7.5 5 10 5 8 5 3 3 5 3 5 2 13 8 15 12 10 8 3 6 15 15 15 5 4 3 2 0.2 0.3 0.3 1 Performance verified with various salt systems and water samples with optimal water temperature at 1040C / 50104F. Optimal water temperature for Total Alkalinity test is 1540C /59104F. 2 For example: If the sample has 1 ppm of Free Chlorine, the meter may read 0.97 ppm or 1.03 ppm. Contact sales department for detailed meter accuracy values. 11 Select group overview Below is a list of Menu and selection choices with abbreviations. 1 Water Quality 2 Miscellaneous 3 Pool & Spa 4 Environmental CL1 Free & Total Chlorine PH2 pH FE3 Iron AL4 Total Alkalinity TU5 Total Hardness CU6 Copper MN7 Manganese F8 Fluoride CN1 Cyanide FE2 Iron (II) & Total Iron NH3 Ammonia PO4 Phosphate S5 Sulfide PHA Acid pH PHb Alkali pH AL1 Total Alkalinity PH2 pH CL3 Free & Total Chlorine PO4 Phosphate CA5 Calcium Hardness bR6 Bromine Cy7 Cyanuric Acid bG8 Biguanide CHH Chloride AL1 Total Alkalinity NO2 Nitrite NO3 Nitrate NH4 Ammonia CH5 Chloride CL6 Free & Total Chlorine PH7 Drinking Water PO8 Phosphate CU9 Copper 5 Oxidizers 6 Specialty 7 Transmission TR1 Transmission (525nm) TR2 Transmission (638nm) CL1 Free & Total Chlorine bR2 Bromine O3 Ozone Cd4 Chlorine Dioxide PA5 Peracetic Acid HP6 Hydrogen Peroxide PM7 Permanganate QA8 Quaternary Ammonia CLH High Range Chlorine F1 Fluoride MN2 Manganese AI3 Aluminum SO4 Sulfate QA5 Quaternary Ammonia CR6 Chromium Mo7 Molybdate THH High Range Total Hardness THL Low Range Total Hardness eXact Micro 20 meter messages The following are some of the common messages that may display on your photometer, including error messages. If an error message other than those listed below is displayed, please contact technical support in the USA at (803) 3290162 (ext. 0). LCD Message Description Corrective Action In READ mode: test sample concentration is above the measurement range (test specific). Dilute and retest. Dilution kit available

(Part No. 487200) In READ mode: test sample concentration is below the measurement range (test specific). Sample value is below measurement range. In ZERO mode: sample absorbency (due to a cloudy or colored sample or a dirty cell) is too high to zero, the meter will read LO or low battery Excessive stray light detected. Normally this does not occur, even when testing in sunlight. Dilute sample, filter sample or clean cell. One of these options should remedy the problem. You may need to replace batteries if low battery indication. Place the light blocking CAP over the CELL for zeroing and for reading result. Moving to a shaded can also fix this problem. Low battery indication during testing

(meter may not zero) Replace batteries. HI LO LO ER 12 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc. About the Sample Cell (builtin 4 mL) The builtin Sample Cell (CELL) is transparent plastic and, when filled to the top, contains 4 mL. The sturdy CELL design will last for over 20,000 readings. Scratches on the CELL will not interfere or compromise the accuracy of the readings because of its fixed position. For best accuracy, rinse cell with clean water immediately after a test is completed. Do not use solvents, such as acetone, to clean the cell. When the CELL becomes stained or cloudy from repeated testing, or when the meter does not blank when you press the ZERO/ON button, the cell needs to be cleaned. Clean as follows: Fill cell with clean water and move the Cell cleaning brush upanddown and backandforth along the walls of the cell. Afterwards, rinse the cell and the meter is ready for use again. Cleaning the cell regularly is especially recommended after you run a test that is using turbidity or precipitation chemistry for analysis

(Calcium Hardness and Cyanuric Acid). How to install or replace "AAA" batteries Batteries are not included. The meter requires (4) AAA in order to function. Unscrew the Oring sealed battery cover counterclockwise. Use proper sized pliers if necessary. 1 Do not disturb the sealing Oring. Remove the used batteries and install 4 new AAA batteries following the diagram for correct polarity 2

(see diagram). We recommend high quality AAA alkaline batteries be used. Replace the battery cover. Be sure to tighten the cover securely. This is necessary for meter to 3 ensure it is waterproof. Dispose of the used batteries in accordance with your local regulations. 4 Press button to confirm the meter turns on. 5 The meter is now ready for operation. Meter will not work if battery orientation is incorrect. 2 Year limited warranty Registration of your eXact photometer must be received within 30 days from date of purchase to activate the warranty. The eXact photometer is warranted to be free from defects in materials and workmanship for a period of two (2) years from the date of purchase by the customer. ITS will repair or replace any part of the product which is deemed to be faulty or otherwise defective. The non transferable warranty does not cover product damage caused by abuse (such as crushing a tablet in the cell) or improper use. If the meter is faulty or otherwise defective contact ITS by phone (+1803 3299712 Ext. 0) or email (its@sensafe.com) to describe the problem and obtain a return authorization form before returning the photometer to ITS. Damage caused by improper packing of the photometer for return shipment to ITS will not be covered by the warranty. Customer is responsible for shipping charges to ITS. ITS pays postage when photometer is returned to customer. A maximum processing fee of $75 will be charged for repair or replacement of nonregistered photometers and damages not covered by this warranty. Registration is available over the phone (+18033299712 Ext. 0) or online at http://

www.sensafe.com/micro/warranty/ (Personal data is kept confidential). 13 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc.For best accuracy, when testing outdoors, in sunlight, place cap over cell cover Using eXact Strip Micro Standard strip test procedure Used for Acid pH, Alkali pH, Biguanide, Bromine, High Range Total Hardness1, Low Range Total Hardness1, Calcium Hardness2, Chloride3, Chromium4, Copper, High Range Chlorine5, Hydrogen Peroxide, Nitrate6, Nitrite, Ozone, Paracetic Acid, Permangante, pH, Phosphate7, Quaternary Ammonia, Sulfate, and Total Alkalinity8

(SEE PAGE 13 FOR SPECIAL NOTES) REMOVE STRIP Remove 1 eXact Strip Micro from the bottle before beginning the test. Set the strip in a dry, convenient place and recap the bottle immediately. TURN METER ON Press the button to power the meter on; the display will show all annunciators, then the current selection, followed by the last reading. SELECT GROUP AND MENU Press and repress the button to Select your group Next, to select the test parameter press and repress the button to select RINSE CELL AND FILL WITH SAMPLE Rinse the CELL at least 3 times with the water sample you will be testing (rinsing minimizes the potential for cross contamination from a previous test). Finally, fill the CELL to capacity (4 mL) with the water sample. If using eXact Micro 20 with Bluetooth SMART follow the steps to `SELECT CUSTOMER &

`CONNECT DEVICE VIA BLUETOOTH before proceeding (see page 6). ZERO METER Press the button. The cursor will move across the display followed by a display reading of 0.00 PPM. This indicates the sample is ready for testing. DIP STRIP & PRESS READ Dip the required strip into the CELL, and immediately press This will start a 20 second countdown timer. During this time, move the strip in a gentle back and forth motion (approx. 2 strokes per second). Remove and discard the strip after `1 on the display disappears. RECORD RESULT The cursor will move across the display while the meter prepares to measure the sample. Record the value displayed for the respective parameter. This value is automatically stored in the MENU. 1 2 3 4 5 6 7 14 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc. eXact Strip Micro test procedure (SPECIAL NOTES) 1 Total Hardness, HR & LR Positive interferences are observed if the test sample contains Barium. Interferences also observed if the test sample contains Copper, Lead, Cobalt, or Nickel. 2 Calcium Hardness This test is accurate in water with Chloride < 10,000 ppm as NaCl. 3 Chloride If sample pH is high (>9), adjust pH to 56 using Vinegar. 4 Chromium The strip needs to be angled in order to fit in the CELL because it is too wide and total alkalinity are in these ranges before running this test. 5 High Range Chlorine Use a 10 second dip time if water temperature is above 40C (113F). INTERFERENCES: Oxidizers such as Chloramine, Chlorine Dioxide, Bromine, Iodine, Ozone, Bromamines, and Permanganate will give false positive readings. 6 Nitrate A. Use this procedure if NaCl is less than 400 ppm. Otherwise, use Nitrate (Salt Water) Procedure on page 26. B. The CELL needs to be cleaned with brush and distilled water after each test. If any zinc dust is adhering to the CELL wall, it will affect results. 7 Phosphate A. Clean CELL with 0.1N HCl, Distilled Vinegar (5%), or Muriatic Acid before filling the meter with the sample to be tested. B. If running multiple tests in a row, using the same water sample, the CELL does not have to be rinsed or cleaned with acid between each test. It is recommended that the CELL be rinsed three times with the sample water. C. The calibration of the meter is based on a water temperature between 15C (59F) and 31C (88F). If temperature is below 15C (59F), your final Phosphate value may read low. This test can also be used for salt water testing. 8 Total Alkalinity For water temperatures above 35C (95F, hot tubs), remove and discard the strip when the timer displays 10, countdown continues. The eXact Micro 20 Dual Wavelength Advanced Photometer System is designed for use with the eXact Strip Micro reagent delivery system. The eXact Micro 20 Dual Wavelength Photometer is manufactured and tested in an ISO 9001 Facility. 15 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc.For best accuracy, when testing outdoors, in sunlight, place cap over cell cover Using eXact reagent Standard liquid test procedure Used for Cyanuric Acid1 and Fluoride2 TURN METER ON Press the button to power the meter on; the display will show all annunciators, then the current selection, followed by the last reading. SELECT GROUP AND MENU Press and repress the button to Select your group Next, to select the test parameter press and repress the button to select 5 RINSE CELL AND FILL WITH SAMPLE Rinse the CELL at least 3 times with the water sample you will be testing (rinsing minimizes the potential for cross contamination from a previous test). Finally, fill the CELL to capacity (4 mL) with the water sample. If using eXact Micro 20 with Bluetooth SMART follow the steps to `SELECT CUSTOMER &

`CONNECT DEVICE VIA BLUETOOTH before proceeding (see page 6). ZERO METER Press the button. The cursor will move across the display followed by a display reading of 0.00 PPM. This indicates the sample is ready for testing. ADD DROPS Using the selected bottle of reagent add the required drops

(see chart on page 89) and cover the CELL with the CELL COVER. Precaution: Ensure that the bottle is straight when dispensing drops. PRESS READ & MIX Press and a 20 second countdown begins. During this time, turn the meter upside down repetitively. When the timer displays `1, place the Micro 20 on a flat surface. Wait for count up time. RECORD RESULT The cursor will move across the display while the meter prepares to measure the sample. Record the value displayed for the respective parameter. This value is automatically stored in its MENU and if using the eXact iDip app, the result will be saved in the apps `HISTORY. 1 2 3 4 5 6 7 16 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc. eXact reagent liquid drops (SPECIAL NOTES) 1 Cyanuric Acid Shake the bottle vigorously to mix before adding the drops to the sample 2 Fluoride The reagent contains acid, a stir bar may be used to mix the reagent. The eXact Micro 20 Dual Wavelength Advanced Photometer System is designed for use with the eXact Strip Micro reagent delivery system. The eXact Micro 20 Dual Wavelength Photometer is manufactured and tested in an ISO 9001 Facility. Some test procedures require the use combination of more than one test strip and/or liquid reagents. Please follow the stepbystep procedures as outlined in the following pages to ensure the best accuracy. For more tips on best accuracy, see page 28. Any deviation from the outlined procedure, could result in inaccurate test results. Please take caution to testing notes. If your required procedure is not listed in this manual or if you have any questions, feel free to contact us at its@sensafe.com 17 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc.For best accuracy, when testing outdoors, in sunlight, place cap over cell cover Free or Total Chlorine test procedure DPD1 strip used for Free Chlorine detection, DPD4 strip used for Total Chlorine detection 1 2 3 4 5 6 7 REMOVE STRIP Remove 1 eXact Strip Micro CL (DPD1), Part No. 486637 or eXact Strip Micro CL (DPD4), Part No. 486670 from the bottle before beginning the test. Set the strip in a dry, convenient place and recap the bottle immediately. TURN METER ON Press the button to power the meter on; the display will show all annunciators, then the current selection, followed by the last reading. SELECT GROUP AND MENU Press and repress the button to Select your group

(Select 1, 4, or 5). Next, to select the test parameter press and repress the button to select CL1 or CL6. 5 RINSE CELL AND FILL WITH SAMPLE Rinse the CELL at least 3 times with the water sample you will be testing (rinsing minimizes the potential for cross contamination from a previous test). Finally, fill the CELL to capacity (4 mL) with the water sample. If using eXact Micro 20 with Bluetooth SMART follow the steps to `SELECT CUSTOMER &

`CONNECT DEVICE VIA BLUETOOTH before proceeding (see page 6). ZERO METER Press the button. The cursor will move across the display followed by a display reading of 0.00 PPM. This indicates the sample is ready for testing. DIP STRIP & PRESS READ Dip the required strip into the CELL, and immediately press This will start a 20 second countdown timer. During this time, move the strip in a gentle back and forth motion (approx. 2 strokes per second). Remove and discard the strip after `1 on the display disappears. RECORD RESULT The cursor will move across the display while the meter prepares to measure the sample. Record the value displayed for the respective parameter. This value is automatically stored in the CL MENU, and if using the eXact iDip app, the result will be saved in the apps `HISTORY 18 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc. Combined Chlorine test procedure IMPORTANT: DO NOT discard the sample from the Free Chlorine (DPD1) test if you are planning to run eXact Strip Micro DPD3 (Total Chlorine) Procedure. Move directly to steps 810 below, otherwise immediately rinse the CELL. This procedure is only valid when ran as a continuation of the eXact Strip Micro CL (DPD1 Free Chlorine). Test procedure located on the previous page. 8 9 10 REMOVE STRIP Remove 1 eXact Strip Micro CL (DPD3), Part No. 486638 from the bottle before beginning the test. Set the strip in a dry, convenient place and recap the bottle immediately. DIP STRIP & PRESS READ Dip the eXact strip micro (DPD3) into the CELL, and immediately press This will start a 20 second countdown timer. During this time, move the strip in a gentle back and forth motion (approx. 2 strokes per second). Remove and discard the strip after `1 on the display disappears. The cursor will move across the display while the meter prepares to measure the sample. Record the value displayed and this value is automatically stored in the CL MENU, the result will be saved in the apps `HISTORY.

(NOTE: The Iodide added with DPD3 will, in the presence of Combined Chlorine or Chloramines, convert into Iodine). PRESS READ AGAIN Press again and the meter will count down and display the next reading. If this reading matches the previous result, then record this as the Total Chlorine result. This value is automatically stored in the CL MENU. After testing is completed, rinse CELL immediately. Record the highest value the meter displayed as your Total Chlorine result. NOTE: Standard Method (4500Cl G, procedure for total chlorine) requires the reading to be made after 2 minutes from the time the KI is added. For compliance testing, you must time the 2 minutes and then make your measurement. From testing in our lab, water samples above 70F (20C), generally, reach a stabilized reading quicker then 2 minutes. Chlorine and Iodine react with N, Ndiethylpphenylenediamine as it is released from the strip to form a magenta color, directly proportional to the Chlorine concentration. (Ozone, Bromine, and Permanganate also form the color). The eXact Micro 20 Dual Wavelength Advanced Photometer System is designed for use with the eXact Strip Micro reagent delivery system. The eXact Micro 20 Dual Wavelength Photometer is manufactured and tested in an ISO 9001 Facility. For best accuracy, when testing outdoors, in sunlight, place cap over cell cover 19 Aluminum, Ammonia & Sulfide test procedure 1 2 3 4 5 6 TURN METER ON Press the button to power the meter on; the display will show annunciators, followed by the current selection. It will then display the last reading. SELECT GROUP & MENU Press and repress the button to Select Group. Press and repress the button to select the test parameter (see chart on page1011). RINSE & FILL CELL WITH SAMPLE Rinse the CELL at least 3 times with the water sample you will be testingrinsing minimizes the potential for crosscontamination from a previous test. Finally, fill CELL to capacity (4 mL) with the water sample. If using eXact Micro 20 with Bluetooth SMART follow the steps to `SELECT CUSTOMER &

`CONNECT DEVICE VIA BLUETOOTH before proceeding (see page 6). ADD DROPS Using the selected bottle of reagent add the required drops (see chart on page 1011) and cover the CELL with the CELL COVER. Precaution: Ensure that the bottle is straight when dispensing drops. ZERO METER Press the button. The cursor will move across the display followed by 0.00 PPM. This will indicate that the sample is ready for testing. DIP STRIP & PRESS READ Using the required strip (see chart on page 1011), dip strip into the CELL, and immediately press to initiate a 20 second countdown. Move the strip using a gentle back and forth motion (approx. 2 strokes/sec). Remove and discard the strip after 1 on the display disappears. The meter will automatically start to count up. The count up time will vary for each parameter. At the end, the cursor will move across the display while the meter prepares to measure the sample. Record the value displayed for the respective parameter This value is automatically stored in its MENU and if using the eXact iDip app, the result will be saved in the apps `HISTORY. After testing, rinse CELL immediately and clean with the brush. After Sulfide testing: rinse CELL with Distilled White Vinegar, 0.1N HCl, or Muriatic Acid and clean with brush. Aluminum, Ammonia & Sulfide (SPECIAL NOTES) 1 Aluminum A. First, clean the CELL with 0.1N HCl, Distilled Vinegar (5%), or Muriatic Acid before filling the meter with the sample to be tested. B. If running multiple tests in a row, using the same water sample, the CELL does not have to be rinsed or cleaned with acid between each test. It is recommended that the CELL be rinsed 3 times with the sample water. 2 Ammonia The calibration of the meter is based on a water temperature between 14C (57F) and 28C (82F). If temperature is below 14C (57F), your final Ammonia value may read low. 3 Sulfide A. For results as Hydrogen Sulfide (H2S), multiply the resulting value by 1.06. B. The calibration of the meter is based on the water sample temperature above 20C (68F). If the water sample is below 20C (68F), the strip has to dip in the sample for an additional 10 seconds. 20 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc. Cyanide test procedure 1 2 3 4 5 6 REMOVE STRIPS Remove 1 eXact Strip Micro CN1 Part No. 486812A and eXact Strip Micro CN2 Part No. 486812B from the bottle before beginning the test. Set the strip in a dry, convenient place and recap the bottle immediately. TURN METER ON Press the button to power the meter on; the display will show annunciators, followed by the current selection. It will then display the last reading. SELECT GROUP & MENU Press and repress the button to Select Group 2. Press and repress the button to select the test parameter (see chart on page 1011). RINSE & FILL CELL WITH SAMPLE Rinse the CELL at least 3 times with the water sample you will be testingrinsing minimizes the potential for crosscontamination from a previous test. Finally, fill CELL to capacity (4 mL) with the water sample. If using eXact Micro 20 with Bluetooth SMART follow the steps to `SELECT CUSTOMER &

`CONNECT DEVICE VIA BLUETOOTH before proceeding (see page 6). ZERO METER Press the button. The cursor will move across the display followed by 0.00 PPM. This will indicate that the sample is ready for testing. DIP STRIP & PRESS READ Dip the CN1 strip into the CELL, and immediately press . This starts the 30 Second countdown timer. Because the strip is 8 mm wide, the strip will need to be angled to fit in the cell. Be sure that the test pad is fully submerged. During this time, move the strip in a gentle back and forth motion (approx. 2 strokes/sec). Remove and discard the strip after `1 on the display disappears. The cursor will move across the display, at this point have your CN2 strip ready to dip into the CELL. When the 30 Second countdown starts, immediately dip the CN2 strip into the CELL. During this time, with the strip angled slightly, move the strip in a gentle back and forth motion

(approx. 2 strokes/sec). Remove and discard the strip after `1 on the display disappears. The meter will automatically start to count up to 600 seconds. At 600 seconds, the cursor will move across the display while the meter prepares to measure the sample. Record the result displayed. This result is automatically stored in CN MENU, and if using the eXact iDIp app, will be stored in the apps `HISTORY. After testing, rinse CELL immediately and clean with the brush. NOTE: The calibration of the meter is based on a water temperature between 20C (68F) and 25C (77F). If temperature is below 20C (68F), your final Cyanide value may read low. 21 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc.For best accuracy, when testing outdoors, in sunlight, place cap over cell cover Total Iron test procedure 1 2 3 4 5 6 To ensure accurate results, do not run this test immediately after a sulfide test TURN METER ON Press the button to power the meter on; the display will show annunciators, followed by the current selection. It will then display the last reading. SELECT GROUP & MENU Press and repress the button to Select Group. Press and repress the button to select the test parameter (see chart on page 1011). RINSE & FILL CELL WITH SAMPLE Rinse the CELL at least 3 times with the water sample you will be testingrinsing minimizes the potential for crosscontamination from a previous test. Finally, fill CELL to capacity (4 mL) with the water sample. If using eXact Micro 20 with Bluetooth SMART follow the steps to `SELECT CUSTOMER &

`CONNECT DEVICE VIA BLUETOOTH before proceeding (for instructions, see page 6). ADD REDUCER Tilt the meter to discard about 0.2 mL sample in order to leave room for reagent. Add the contents of one eXact Reagent EZ Open REDUCER (Part No. 486601) to the CELL and cover the CELL with the mixing cap. Press to start the 20 second countdown timer. Place thumb over CELL COVER to secure in place and mix the sample by turning the meter upsidedown repetitively. When countdown displays `1, hold the meter upright and the cursor will flash. At this time the meter will begin a 40 second count up. After the count up, a result will be displayed (ignore this result). ZERO METER Press the button. The cursor will move across the display followed by 0.00 PPM. This will indicate that the sample is ready for testing. DIP STRIP & PRESS READ Dip the eXact Strip Micro FE (TPTZ) (Part No. 486631) into the CELL and immediately press . This starts the 20 second countdown timer. During this time, move the strip in a gentle back and forth motion (approx. 2 strokes/sec). Remove and discard the strip after `1 on the display disappears. The meter will automatically start to count up for 40 seconds. At the end, the cursor will move across the display while the meter prepares to measure the sample. Record result displayed (this value is automatically stored in the FE MENU, and if using the eXact iDip app, will be stored in the apps `HISTORY). After testing is completed, rinse CELL immediately and clean with brush. Total Iron (SPECIAL NOTES) Total Iron A. First, clean the CELL with 0.1N HCl, Distilled Vinegar (5%), or Muriatic Acid before filling the meter with the sample to be tested. B. If running multiple tests in a row, using the same water sample, the CELL does not have to be rinsed or cleaned with acid between each test. It is recommended that the CELL be rinsed 3 times with the sample water. 22 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc. High Range Chloride test procedure This test requires a 1:20 dilution of the salt system sample Mini Dilution Kit (Part No. 487202) 1 PREPARE SAMPLE FOR TESTING Using the Mini Dilution Kit (Part No. 487202) and Distilled or Deionized (saltfree water) prepare a 1 to 20 (1:20) dilution of your sample. PREPARE DILUTION SAMPLE 1. Rinse the syringe 3 times with salt system sample that you want to test by moving the plunger up and down. 2. Rinse 50 mL graduated conical tube with distilled or deionized (saltfree) water. 3. Rinse the 3.0 mL syringe with water sample to be tested. Fill the 3.0 mL syringe to the 2.0 mL line precisely

(plunger ring should line up at the 2.0 mL line and little or no air bubble should be present). 4. Add the syringe content (2.0 mL salt system sample) to the clean 50 mL graduated conical tube by pushing the plunger all the way down to expel sample. 5. Fill the graduated conical tube to the 40 mL line with distilled or deionized (saltfree) water and place cap on top. 6. Mix content of graduated conical tube by turning upside down at least 3 times. Sample is now ready for testing. 2 3 4 5 6 7 REMOVE STRIPS Remove 1 eXact Strip Micro Chloride III Part No. 486757 from the bottle before beginning the test. Set the strip in a dry, convenient place and recap the bottle immediately. TURN METER ON Press the button to power the meter on; the display will show annunciators, followed by the current selection. It will then display the last reading. SELECT GROUP & MENU Press and repress the button to Select Group. Press and repress the button to select the test parameter (see chart on page 1011). RINSE & FILL CELL WITH SAMPLE Using the 1:20 Dilution Sample prepared above, rinse the CELL 3 times. Then fill the CELL to capacity (4 mL) with the 1:20 Dilution Sample. If using eXact Micro 20 with Bluetooth SMART follow the steps to `SELECT CUSTOMER &

`CONNECT DEVICE VIA BLUETOOTH before proceeding (see page 6). ZERO METER Press the button. The cursor will move across the display followed by 0.00 PPM. This will indicate that the sample is ready for testing. DIP STRIP & PRESS READ Dip the Chloride III strip into the CELL, and immediately press . This starts a 20 second countdown timer. During this time, move the strip in a gentle back and forth motion (approx. 2 strokes/sec). Remove and discard the strip after `1 on the display disappears. The cursor will move across the display, while the meter measures the sample. Record the result displayed

(this result is automatically stored in CH MENU and, if using the eXact iDip app, will be stored in `History). After testing is completed, rinse CELL immediately and clean with the brush. 23 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc.For best accuracy, when testing outdoors, in sunlight, place cap over cell cover Chlorine Dioxide test procedure REMOVE STRIPS Remove 1 eXact Strip Micro Glycine Part No. 484014 and eXact Strip Micro Cd

(DPD1) Part No. 486633 strips from the bottle before beginning the test. Set the strip in a dry, convenient place and recap the bottle immediately. TURN METER ON Press the button to power the meter on; the display will show annunciators, followed by the current selection. It will then display the last reading. SELECT GROUP & MENU Press and repress the button to Select Group 5. Press and repress the button to select he test parameter Cd4 (see chart on page 89). RINSE & FILL CELL WITH SAMPLE Rinse the CELL at least 3 times with the water sample you will be testingrinsing minimizes the potential for crosscontamination from a previous test. Finally, fill CELL to capacity (4 mL) with the water sample. If using eXact Micro 20 with Bluetooth SMART follow the steps to `SELECT CUSTOMER &

`CONNECT DEVICE VIA BLUETOOTH before proceeding (see page 6). DIP STRIP & PRESS READ Dip the Glycine strip into the CELL, and immediately press . This starts a 20 second countdown timer. During this time, move the strip in a gentle back and forth motion (approx. 2 strokes/sec). Remove and discard the strip after `1 on the display disappears. The cursor will move across the display, while the meter measures the sample, when a result appears, ignore value and continue to step 8. ZERO METER Press the button. The cursor will move across the display followed by 0.00 PPM. This will indicate that the sample is ready for testing. DIP STRIP & PRESS READ Dip the CD (DPD1) strip into the CELL, and immediately press . This starts a 20 second countdown timer. During this time, move the strip in a gentle back and forth motion (approx. 2 strokes/sec). Remove and discard the strip after `1 on the display disappears. The cursor will move across the display, while the meter measures the sample. Record the result displayed

(this result is automatically stored in Cd MENU and, if using the eXact iDip app, will be stored in `History). After testing is completed, rinse CELL immediately and clean with the brush. 1 2 3 4 5 6 7 24 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc. Manganese test procedure (combination strip and drop test) 1 2 3 4 5 6 REMOVE STRIPS Remove 1 eXact Strip Micro Mn#1 Part No. 4810201 and eXact Strip Micro Mn#2 Part No. 4810202 strips from their foil packets before beginning the test. Also shake the bottle of eXact Reagent MN and remove the cap. Set the strip in a dry, convenient place and recap the bottle immediately. TURN METER ON Press the button to power the meter on; the display will show annunciators, followed by the current selection. It will then display the last reading. SELECT GROUP & MENU Press and repress the button to Select Group 1 or 6. Press and repress the button to select the test parameter MN (see chart on page 89). RINSE & FILL CELL WITH SAMPLE Rinse the CELL at least 3 times with the water sample you will be testingrinsing minimizes the potential for crosscontamination from a previous test. Finally, fill CELL to capacity (4 mL) with the water sample. If using eXact Micro 20 with Bluetooth SMART follow the steps to `SELECT CUSTOMER &

`CONNECT DEVICE VIA BLUETOOTH before proceeding (see page 6). DIP STRIP & PRESS READ Dip the Mn#1 strip into the CELL, and immediately press . This starts a 20 second countdown timer. During this time, move the strip in a gentle back and forth motion (approx. 2 strokes/sec). Remove and discard the strip after `1 on the display disappears. The cursor will move across the display, informing you prepare to dip the Mn#2 strip. When the next 20 second countdown starts, dip the Mn#2 strip immediately the into the CELL using the same gentle back and forth motion (approx. 2 strokes/sec). Remove and discard the strip after `1 on the display disappears. The meter will automatically start to count up to 20 seconds. After 20 seconds, the cursor will move across the display and the display will automatically zero. ADD DROPS Add 3 drops of eXact Reagent MN to the CELL (Precaution: Ensure the bottle is straight while dispensing drops) and cover with the CELL COVER. When the 20 second countdown starts, place thumb over the cover and mix the sample by turning the meter upsidedown repetitively during the countdown. When timer displays `1, place the meter upright and the cursor will flash. The meter will begin a 120 second count up. After 120 seconds, the cursor will move across the display while the meter measures the sample. Record the result displayed

(this result is automatically stored in MN MENU and, if using the eXact iDip app, will be stored in `History). After testing is completed, rinse CELL immediately and clean with the brush. 25 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc.For best accuracy, when testing outdoors, in sunlight, place cap over cell cover Nitrate (salt water > 4000 ppm) test procedure 1 2 3 4 5 6 7 8 REMOVE STRIPS Remove 1 eXact Strip Micro NO3 Part No. 486655 from the bottle before beginning the test. Set the strip in a dry, convenient place and recap the bottle immediately. TURN METER ON Press the button to power the meter on; the display will show annunciators, followed by the current selection. It will then display the last reading. SELECT GROUP & MENU Press and repress the button to Select Group 7. Press and repress the button to select the test parameter TR1 (see chart on page 89). RINSE & FILL CELL WITH SAMPLE Rinse the CELL at least 3 times with the water sample you will be testingrinsing minimizes the potential for crosscontamination from a previous test. Finally, fill CELL to capacity (4 mL) with the water sample. If using eXact Micro 20 with Bluetooth SMART follow the steps to `SELECT CUSTOMER &

`CONNECT DEVICE VIA BLUETOOTH before proceeding (see page 6). ZERO METER Press the button. The cursor will move across the display followed by 100 %T. This will indicate that the sample is ready for testing. DIP STRIP & PRESS READ Dip the NO3 strip into the CELL, and immediately press . This starts the 20 second countdown timer. Because the strip is 8 mm wide, the strip will need to be angled to fit in the cell. Be sure that the test pad is fully submerged. During this time, move the strip in a gentle back and forth motion (approx. 2 strokes/sec). Remove and discard the strip after `1 on the display disappears. Time the reaction in the CELL for 580 seconds (no timer provided). During this time, the meter will shut off. When 580 seconds have elapsed, turn meter on and wait for the display to show the last reading. Then press to initiate a 20 second countdown. RECORD RESULT The cursor will move across the display while the meter measures the sample. Record the value displayed. This value is automatically stored in TR1, and if using the eXact iDip app, the result will be stored in the apps `HISTORY. USE TABLE Find the TR1 result in the table below to determine the Total Hardness concentration in ppm.

*EXAMPLE: A TR1 result of 65.3 (round#) equals a Nitrate value of 23 ppm). eXact Strip Micro Nitrate NO3 for 4 mL samples

%T 90 80 70 60 50 40 30 20 10 83 9 0 5 12 20 28 37 47 57 70 83 8 0 5 13 20 29 38 48 59 71 85 7 0 6 14 21 30 39 49 60 72 86 6 0 7 14 22 31 40 50 61 74 87 5 0 7 15

*23 32 41 51 62 75 89 4 0 8 16 24 33 42 52 64 76 90 3 0 9 17 25 33 43 53 65 78

>90 2 2 10 17 26 34 44 54 66 79

>90 1 3 11 18 27 35 45 55 67 80

>90 0 4 12 19 27 36 46 56 68 82

>90 26 Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc. 27 Tips for Best Accuracy Our lab testing with the Micro 20 meter has shown that zeroing and measuring of the sample normally does not require any cell cover for accurate results, except in sunlight. To obtain optimal accuracy when testing with the meter outdoors (sunlight), use the Mixing Cap/Cell Cover when zeroing and reading the sample. Become familiar with the meter and the different tests by reading the instructions carefully. The Free Chlorine, Combined Chlorine, and Total Chlorine reagents are compliant for meeting USEPA (4500Cl G); ISO 7393/2; and German DIN 38408 G42 requirements. Observe the dip time (as required for the test) for accurate results. Test immediately after filling the CELL with water sample when testing for oxidizers such as Chlorine and Bromine (Ozone can be measured in CL3 MENU). Be sure the CELL is filled to capacity (4 mL), especially for pH and Total Alkalinity. Rinse the CELL with clean water immediately after completing each test. Some reagents may stain the CELL if not rinsed shortly after use. Other reagents including Cyanuric Acid, Chloride, and Calcium Hardness may coat the CELL wall. It is recommended, after these tests, to use the Cell Cleaning Brush with water to clean the CELL. Just before testing, rinse the sample CELL with the sample water several times to get a representative sample. (Use deionized or distilled water for rinsing if you have a limited amount of sample). Store the meter and all test materials out of direct sunlight and away from chemical storage areas. Minimize exposure of meter and test reagents to heat above 100F (38C). Dry the outside of the meter when testing is complete or before storage of the meter. When running a DPD1 Free Chlorine test AFTER a Total Chlorine DPD3, a Total Chlorine DPD4, or a HR Chlorine test, rinsing is very important to remove residual KI, which may interfere. Each eXact Strip Micro is valid for ONLY one test. Discard strip after single use in regular refuse that is inaccessible to children and pets. Each bottle of eXact Strip Micro contains the quantity of strips notated on the bottle. Due to the strip slitting process, you may find one or two strips that are noticeably smaller or larger in width than the normal strips in the bottle. These should be discarded. Using these strips may give unreliable results. Each table supplied has a unique revision number located in the bottom right corner of the table. We recommended that you visit www.sensafe.com regularly for any updated revisions. The eXact Micro 20 Meter is not compatible for use with DPD1, DPD3, and DPD4 powder pillows, tablets, and liquids available from other manufacturers. Accurate results can only be guaranteed by using genuine eXact Micro strips or reagents (reorder information on page 19). Remove batteries when meter is not used for more than a month (Warranty Requirement). It is recommended that Pool and Spa samples for oxidizers (such as Chlorine) be taken 18 inches below the surface as follows: submerge meter with open cell facing down 18 inches, and then turn meter upright at that depth to fill the cell. Remove meter from water with the sample for testing. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 28 About the Accuracy/Calibration of the eXact Micro 20 System All tests have been calibrated using certified reference standards and standard analytical spectrophotometric methods. The algorithms in the software reflect the best correlation of the eXact Micro 20 Systems against the AWWA, US EPA , DIN, and ISO reference test methods for chlorine. Studies show that the eXact Micro 20 System repeatedly agrees with an EPA Compliant reference method greater than 99% (R2= 0.99948, 0 5.00 ppm see below). The eXact Micro 20 Advanced Photometric System has been factory calibrated for your convenience. You can expect the fixed calibrations in the meter to be valid for the life of the meter because of the quality, LongLife LED, the photo cell, and the software as written into the meter. This is why the meter comes with a 2Year Warranty. Assigned Value for Ready Snap Solution Ready Snap Lot Desired Value (%T) Acceptable Value (%T) Select Group Red Dye #505 Blue Dye #506 17.1 30.1 16.5 17.5 28.0 32.8 7 7 Menu TR1 TR2 NOTE: Values reflect current concentrations as found at time of manufacture and may change with consecutive lots. eXact Strip Micro DPD1 Accuracy Free Chlorine results are compared using the eXact Strip Micro CL (DPD1) with the eXact Micro 20 Meter in MENU CL and Hach DR890 Colorimeter in Program 9 and Program 12 using Hach powder pillows. DPD Free Chlorine stud

, March 20, 2012 y = 0.9814x R = 0.99948 Hach vs ITS Linear (Hach vs ITS) 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0.0 0.5 1.0 1.5 2.0 3.0 Hach Free Chlorine, ppm 2.5 3.5 4.0 4.5 5.0 m p p

, l e n i r o h C e e r F S T I For best accuracy, when testing outdoors, in sunlight, place cap over cell cover Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc. 29 Accessories / Kits eXact Micro Carrying Case with Foam (486001) Dilution Kit (487200) Ready Snap 3 (486903) Pool Kit (486700KP) Kit includes:

1 eXact Micro 20 Meter (486700) eXact Strip Micro DPD1 (48663725) eXact Strip Micro DPD3 (48663825) eXact Strip Micro pH (48663925) eXact Strip Micro Total Alkalinity (48664125) eXact Strip Micro Copper (48663225) eXact Strip Micro Nitrate (48665525) eXact Strip Micro Total Iron, TPTZ (48665025) eXact Strip Micro Calcium Hardness (48662925) eXact Strip Micro Phosphate (48681425) eXact Strip Micro Chloride (486757) eXact Reagent Cyanuric Acid (481652II) eXact Strip Micro Biguanide (48681025) Mini Dilution Kit II (487202) 1 Mixing Cap 1 Cell Cleaning Brush Instruction Booklet Plastic Carrying Case Plastic Stirrer Standard Kit (486700K) Kit includes:

1 eXact Micro 20 Meter (486700) eXact Strip Micro DPD1 (48663725) eXact Strip Micro DPD3 (48663825) Mini Dilution Kit II (487202) 1 Mixing Cap 1 Cell Cleaning Brush Instruction Booklet Plastic Carrying Case Plastic Stirrer Well Driller Kit (486700WD) Kit includes:

1 eXact Micro 20 Meter (486700) eXact Strip Micro DPD1 (48663725) eXact Strip Micro DPD3 (48663825) eXact Strip Micro pH (48663925) eXact Strip Micro Total Alkalinity (48664125) eXact Strip Micro Copper (48663225) eXact Strip Micro Nitrate (48665525) eXact Strip Micro Manganese (486606) eXact Strip Micro Total Hardness, HR (48665625) eXact Strip Micro High Range Chlorine (48667225) eXact Strip Micro Total Iron, TPTZ (48665025) Mini Dilution Kit II (487202) 1 Mixing Cap 1 Cell Cleaning Brush Instruction Booklet Plastic Carrying Case Plastic Stirrer Mini Dilution Kit II (Part No. 487202) Instructions HOW TO PREPARE A 1:20 SAMPLE USING THE 3 mL SYRINGE (DILUTION FACTOR OF 20) 1. Rinse the syringe 3 times with water sample that you want to test by moving the plunger up and down. 2. Rinse 50 mL graduated conical tube with distilled or deionized (saltfree) water. 3. Fill the 3 mL syringe to the 2 mL line by pulling up water sample to be tested with an upward motion of the plunger until you get to the 2 mL line. NOTE: The plunger ring should line up a the 2 mL line. 4. After adding sample to the cylinder, fill the graduated cylinder to the 40 mL line with distilled or deionized

(saltfree water. Securely put the cap on the cylinder. 5. Mix content of graduated conical tube by turning upside down at least 3 times. Other dilutions possible with the 3 mL syringe Volume in syringe Volume filled in cylinder Dilution factor 1.0 mL 1.0 mL 1.0 mL 0.5 mL 0.5 mL 0.5 mL 30 40 mL 30 mL 20 mL 25 mL 50 mL 50 mL 40 30 20 50 100 250 CALCULATION:

Test Result x Dilution Factor =

Actual Result Subject to technical modifications without notice, 2014 Industrial Test Systems, Inc. Available reagents / Reorder information

= EPA COMPLIANT BEST ACCURACY

# OF TESTS 481652 II PARAMETER / TEST PART #

RANGE

(ppm) 8 200 0.01 1.2 0.02 2.4 1.6 210 0.01 12 16 400 1 330 26 6600 0.01 10 0.01 6.2 1 300 0.01 6.2 0.01 6.2 0.01 1.8 0.01 11 0.01 1.1 7 110 0.04 1.5 7.5 13 5 7.5 5 10 5 8 5 3 5 3 3 5 2 13 8 15 N/A 12 10 8 3 6 5 15 15 5 4 3 2 486641 486821 486654 486810 486637 486629 486757 486757 486633 486637 486672 486638 486670 486614 486632 486812 Alkalinity, Total Aluminum Ammonia Biguanide Bromine (DPD1) Calcium (as CaCO3) Chloride (as NaCl) III Chloride (as NaCl) III HR Chlorine Dioxide (DPD1) Chlorine, Free (DPD1) Chlorine, High Range Chlorine, Combined (DPD3)** (525 nm) Chlorine, Total (DPD4) Chromium (VI) Copper (Cu+2) Cyanide Cyanuric Acid II Fluoride Glycine (used for Chlorine Dioxide) Hardness, Total HR (as CaCO3)(525 nm) Hardness, Total LR (as CaCO3)(525 nm) Hydrogen Peroxide Iron, Total (TPTZ) Manganese Molybdate Nitrate (as NO3) Nitrate (as NO3 for Saltwater) (salt>400ppm) Nitrite (as NO2) Ozone (DPD4) Peracetic Acid (DPD4) Permanganate (DPD1) pH Acid PH Alkali PH Phosphate Quaternary Ammonia Sulfate (as SO6) Sulfide (as S2) Turbidity Sulfate (as SO4) Sulfide (as S2) Turbidity Value provided represents best possible accuracy under laboratory conditions, but may vary throughout the detection range. For a complete list of accuracies throughout all ranges please visit sensafe.com/micro20/specifications. 486655 486655 486623 486634 486674 486626 486639 486624 486609 486814 486823 486608 486818 0.3 100 0.03 6 0.01 1.5 0.01 3 0.1 30 0 90 486643 484014 486656 486630 486648 486650 486606 5.8 8.5 pH 3.2 6 pH 7.2 9.8 pH 0.03 4.4 2 210 0.01 1.6 4 800 ntu 0.01 1.8 0.01 2 0.01 6 0.01 5 4 6 10 6 N/A 10 6 N/A 2 80 2 210 0.01 1.6 0.2 pH 0.3 pH 0.3 pH 486608 486818 4 900 NTU 486653 A 60 600 1 80 N/A N/A N/A 100 50 25 50 100 50 25 25 100 100 100 50 50 50 50 50 60 50 50 100 50 100 50 24 50 50 50 50 100 100 100 100 50 50 50 50 50 50 N/A 50 50 N/A Because most of our products are test strips or use reagents that have little or no hazard in the quantity sold, MSDS sheets are not supplied with the test. The exceptions are the Manganese (486606) test, which comes with 2 strips and one liquid reagent (PAN);

Fluoride (486643) test, which is a liquid reagent (SPADNS); and Iron (486650) test, which is a powder reagent. 31 Visit us online at sensafe.com/micro20 for uptodate product information and NEW tests available MANUFACTURED BY Revision 11.10.2014 Industrial Test Systems, Inc. 1875 Langston Street, Rock Hill, SC 29730 18008619712Inside the U.S.A. 18033299712Outside the U.S.A. Fax:18033299743 Email: ITS@SENSAFE.COM WWW.SENSAFE.COM ITS EUROPE, LTD The UK Centre for Homeland Security Building 7, Chilmark Salisbury, Wiltshire, SP3 5DU, United Kingdom Phone: +44 (0)1722 717911 Fax: +44 (0) 1722 717941 Email: ITSEUROPE@SENSAFE.COM WWW.ITSEUROPE.CO.UK FEDERAL COMMUNICATIONS COMMISSION INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limit s for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment of f and on, the user is encouraged to try to correct the interference by one or more of the following measures:

-- Reorient or relocate the receiving antenna.

-- Increase the separation between the equipment and receiver.

-- Connect the equipment into an outlet on a circuit different from that to which the

-- Consult the dealer or an experienced radio/TV technician for help. CAUTION:

Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. receiver is connected. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.