ECOWITT WN1820 Instruction Manual

Temperature Sensor
Model: WN1821&WN1820
Contents
1. Feature ......................................................... 3
2. Display Console .......................................... 5
3. Screen Display .............................................8
4. Key Function ............................................. 10
5. Modes ........................................................ 14
5.1 Normal Mode ...................................... 14
5.2 Alarm Clock Hour-Setting Mode ........ 15
5.3 Alarm Clock Minute-Setting Mode .....15
5.4 MAC Address Display Mode .............. 16
5.5 Setting Mode ....................................... 16
6. Display Console ........................................ 18
6.1 List of sensors that can be displayed on
the screen ................................................... 18
6.2 CO₂ Concentration .............................. 19
6.3 CO₂ Calibration ................................... 20