Basic parameters:

Size: 335 mm * 203 mm * 92.4 mm
Weight: 3800 g
Sensor types: electrochemistry method

(gas Catalytic combustion type, special separately)
Working pattern: continuous work, can be set high or low point alarming

Analog Interface:4-20 mA output (optional)
Digital interface:RS485 bus interface (optional)
Backup power supply:

Provide Power more than 12 hours of battery life (optional)
Provide the battery status indicator

Display Mode: High brightness red digital tube
Alarm: More than 90 dB alarm way:

Voice alarm (10 cm away from the detector measurement data)
Light alarm for the LED warning light

Output Control: two way alarm control relay output
Additional features: time, calendar display

Working voltage: AC220V 50 Hz
Temperature range: - 20 ℃ ~ 50 ℃
Humidity: 15% ~ 90% RH (No condensation)
Installation method: wall-mounted installation