1) Real time monitoring carbon monoxide level with range from 0-500ppm.

2) Semiconductor sensor with 5years long lifetime

3) No LCD and LCD type can be selectable

4) Temperature and humidity detection and display optional

5) Preset the first and the second alarm levels for measured carbon monoxide with a buzzer alarm

6) Provide 1 x On/off relay output to control a ventilator

7) Provide four setpoints of CO to controle relay action

8) Modbus RS-485 communication interface optional, 15KV antistatic protection, independent address setup

9) Three-color (green/yellow/red)LCD backlit indicating three carbon monoxide levels

10) high quality technics and elegant apprearance, best chioce for home and office

11) 220VAC or 24VAC/VDC power selectable; power adaptor available; desktop and wall mounting type available

12) CE-approval