Radiance instruments Ltd. Da Jing Village, Si Jiao Lou,Luo Yang Town,Hui Zhou City,China Postcode: 516171 Phone: 0752-6831106/6831108126 Fax: 0752- 6832319 E-mail:wubz@liheng.net PRODUCT USER MANUAL Product numberRT820RF Product name: Wireless fridge thermometer version: V1.1 Feature:
2.4GHZ wireless fridge thermometer IP65 waterproof for transmitter. HIGH/LOW alarm setting. Maximum temperature and current temperature reading. FCC,CE, NSF and ROHS compliant. Low battery indication. Magnetic attachment C / F exchange Specification:
Measuring range Temperature accuracy Display resolution Temperature reading update Transmitter battery life Receiver battery life Working temperature Wireless distance Receiver size Transmitter size Receiver display size Transmitter battery Receiver battery Operation
-25 ~ 50C/-13 ~ 122 F 0.5/0.9 0.1 10 seconds alarm active30 seconds normal About 6000 hours About 4000 hours(no alarm) 25 ~ 50 C for transmitter, 0 ~ 50 C for receiver 50 meters (open field, about 10 meters into the fridge) 65(W) x 97(H) x 20(D) mm 110(L) x 35(D) x 30() mm 37(W) x 37(H) mm 3 volt battery, type AAA X 2 or equivalent 3 volt battery, type AAA X 2 or equivalent Put the transmitter into the fridge and put the receiver outside the fridge. C / F exchange Select the temperature unit C or F by the switch on the back side. Receiver 1 2 Press [ ] button to turn on the unit, press the button and hold for 3 seconds to turn off. After about 10 seconds, the receiver will receive the signal from the transmitter and display the temperature. The reading will be update 10 seconds. Transmitter 1) Press[ ] button to turn on the unit, red LED flash 5 times, press and hold for 3 seconds to turn off the unit, red LED flash 2 times. 2) In normal working, it will send out the signal each 30 seconds and the LED flash. Alarm setting 1) Press [
] button to turn on or off the alarm monitor. 2) Press [Set] button and hold 5 seconds to enter the low temperature alarm setting mode, the value flash. Press
[] or [] to set the low alarm value. After finish the low alarm setting, press [Set] button once again to enter the high temperature alarm setting mode, set the value as above. Press the [Set] button to finish alarm setting . 3) When the current temperature lower or higher the limited, the alarm sound active and LED flash. Press any key to silent, but the LED flash continue, until the temperature come back to the safe rang. When the alarm sound active 60 seconds continue, the sound will be silent 30 seconds and sound bibi Maximum temperature clear 1) Press[] and [] buttons for 3 seconds to clear the maximum temperature. Code rematch 1 The transmitter has paired with the receiver before delivery. If you want to rematch the unit code, turn off the receiver at first, then press and hold [ ] button for 5 seconds to enter the code rematch mode. Sync icon display 2 Turn off the transmitter at firstthen press and hold [ ] button for 5 seconds to enter the code rematch mode 3 The unit will be store the code automatically and then return to the normal working mode ERROR SYMBOLS:
Symbol Description Transmitter low battery voltage Receiver low battery voltage LLL.L HHH.H Sync 1) Sensor open circuit 2) The reading is out of low range (-50C/-58F) 1) Sensor short circuit 2) The reading is out of high range (70C/158F) Code rematch Action required Replace the battery with the same type Replace the battery with the same type 1) Return the thermometer for repair 2) Keep the measurement above low range 1) Return the thermometer for repair 2) Keep the measurement below high range 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. This equipment complies with the FCC RF radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20 centimeters between the radiator and your body. This device complies with Industry Canada Licence-exempt RSSs. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference, including interference that m ay cause undesired operation of the device. Le prsent appareil est conforme aux CNR dIndustrie Canada applicable aux appareils radio exempts de licence. Lexploitation est autorise aux deux conditions suivantes : (1) lappareil ne doit pas produire de brouillage, et (2) lutilisateur de lappareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible den compromettre le fonctionnement. Changes or Modifications not expressly approved by the party responsible could void the users authority to operate this device. This equipment has been tested and found to comply with the limits 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 off 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 receiver is connected.
-- Consult the dealer or an experienced radio/TV technician for help. TRANSMITTER FCC ID: 2AI67-820T / IC: 22116-820T Mark Wu 2018-AUG-17