8648-1 Manual
Features & Benefits:
DISPLAY UNIT & OUTDOOR SENSOR
1. Humidity MAX record
2. Humidity MIN record
3. Temperature MAX record
4. Temperature MIN record
5. Humidity display
6. Tendency indoor Humidity
7.Temperature display
8.Tendency indoor temperature
9. Comfortable display
10.F button
11.C button
12.RESET button
13.Battery Compartment 2xAAA (batteries not included)
14.Stand bracket
15.Wall mount hole
Package Contents:
1. Display Unit
2. 2*Instructions Manual
Installing or Replacing Batteries:
We recommend using high quality batteries for the best product performance. Heavy duty or rechargeable
batteries are not recommended. The outdoor sensor requires lithium batteries in low temperature
conditions. Cold temperatures can cause alkaline batteries to function improperly.
Do not mix old and new batteries. Do not mix alkaline, standard, and/or rechargeable
batteries.
Default settings:
Default temperature: °C
Display / Keys Details:
There are totally3 keys for the thermometer, they are included: C button,F button,RESET button
1. C button:
Press the "C" button to select the temperature units.
2. F button
Press the "F" button to select the temperature units.
3. RESET button
Press the "RESET" button, the figures will go back default.
Indoor temperature and humidity:
1. Indoor temperature: -10°C ~70°C
2. Indoor humidity range: 20%-95%
3. Accuracy:
1. Temperature accuracy:
-40°C ~ -20°C: ± 4°C
-20°C ~ 0°C: ± 2°C
0°C ~ +50°C: ±1°C
Note: when the temperature in 50°C ~ 70°C range, the temperature is only for reference.
2. Humidity accuracy: +/- 5 % RH (@25°C , 30%RH to 50%RH);
+/- 10 % RH (@25°C , 20%RH to 29%RH, 51%RH to 95%RH)
Indoor Comfort Display:
LOW
≦
40%
OK
40%--70%
HIGH
≧70%
Record the MAX/MIN temperature and humidity:
The maximum and minimum values of temperature and humidity shall start from the normal display of
power on. After 24 hours, the previous records shall be cleared and the registration shall start again.
Temperature and humidity trend:
a. The temperature change exceeds 1°C.The temperature arrow indicates change.Up or down, change
within 1°C per hour, arrow indicates parallel.
b. If the humidity changes by more than 5%, the humidity arrow changes.Up or down.The change in an
hour is within the 5% range, and the arrow indicates parallelism.
