Radiance instruments RT820RF Manuals

Radiance instruments Ltd. Da Jing Village, Si Jiao Lou,Luo Yang Town,Hui Zhou City,China Postcode: 516171 Phone: 0752-6831106/6831108（126） Fax: 0752- 6832319 E-mail:[email protected] PRODUCT USER MANUAL Product number：RT820RF 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.  C / F exchange  Magnetic attachment Specification: Measuring range -25 ~ 50C/-13 ~ 122 F Temperature accuracy ±0.5℃/0.9℉ Display resolution 0.1 Temperature reading update 10 seconds alarm active，30 seconds normal Transmitter battery life About 6000 hours Receiver battery life About 4000 hours(no alarm) Working temperature 25 ~ 50 C for transmitter, 0 ~ 50 C for receiver Wireless distance 50 meters (open field, about 10 meters into the fridge) Receiver size 65(W) x 97(H) x 20(D) mm Transmitter size 110(L) x 35(D) x 30(Ф) mm Receiver display size 37(W) x 37(H) mm Transmitter battery 3 volt battery, type AAA X 2 or equivalent Receiver battery 3 volt battery, type AAA X 2 or equivalent Operation 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） Press [ ] button to turn on the unit, press the button and hold for 3 seconds to turn off. 2） 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