It is suitable for monitoring and alarm (carbon monoxide detection) produced by various heating coal stoves, coal -fired carbon equipment, gas water heaters, gas cooking equipment, etc.

1.Alarm test method:
The battery is installed and pressed the middle test button. It will be normal, or it is normal to use a motorcycle exhaust and automotive exhaust air. Note: You cannot use a lighter or gas to test it in front of the inductive mouth!

2.Detection method:
The carbon dioxide gas enters the machine from the gap around the alarm. After the test is tested, the output carbon monoxide concentration value is in the air. When the screen is just turned on, the screen display 0-30ppm is normal.After installing the battery, a loud noise will be heard, and the red light will flash. When the alarm is alarm, the red indicator lights quickly, and the alarm sounds.During the standby, the green indicator flashed once every 30 seconds.

3.Alarm concentration:
When the following conditions are met, alarm will be issued50ppm / 60-90 minutes 100ppm / 10-40 minutes 300ppm / 3 minutes

1.Energy saving and environmental protection

2.No radiation, harmless to the human body

3.85db high decibel alarm alarm

4.LCD blue backlight LCD screen

5.Three -gear hazard concentration automatic switch detection

6.Manual detection button to detect carbon monoxide concentration in the environment at any time