Radiance instruments RT820RF User Manual

Radiance instruments Ltd.
Da Jing Village, Si Jiao Lou,Luo Yang Town,Hui Zhou City,China
Phone: 0752-6831106/6831108（126） Fax: 0752- 6832319
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
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

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
-25 ~ 50C/-13 ~ 122 F
± 0.5℃/0.9℉
0.1
10 seconds alarm active，30 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(Ф) 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
Postcode: 516171
E-mail:wubz@liheng.net