NO2 monitor with alarm

NO2 monitor with alarm

1. NO2 detection range: 0 ~ 20ppm
2. Tri-color backlit LCD display alarm, 2 points alarm setting
3. output (0,2 ~ 10V / 4 ~ 20mA)
4. two way output
5. Buzzer built-in alarm
6. BACnet protocol RS485 interface
7.24 DC or AC power supply