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Features
1. Strong and protective shock-proof/ concussion-proof design, solid and durable housing/shell, help this detector work well under tough circumstances or harsh operating environments;
2. Continuously gas concentration and composition LCD real-time display;
3. Rechargeable Lithium battery (can continuously work for 16~18 hours);
4. 95 dB acoustic/audible alarm and two wide-angle optic alarms;
5. Built-in vibrating alarm suitable for noisy environment;
6. Two-stage alarm threshold: the low alarm point and high alarm point are applicable to all gas;
7. Simple automatic calibration program and replaceable plug-in electrochemical sensor;
8. Full-featured/fully functional self-testing: sensor, integrity of battery and circuit, acoustic & visual & vibration three-stage alarm.
9. Small compact size and lightweight construction make this detector portable.
10. Commonly applicable for industries such as mining, metallurgy, petroleum, chemical, power, telecommunication, urban construction, etc.
11. The deadline and alarm threshold can be adjusted based on the request in special industries.
12. Password protection capability: only the authorized user can modify the preset parameter.

Technical Specifications of Portable Multi Gas Detector

Detection Range:
Combustible gas: 0~100% LEL (Low/High Alarm Point: 25% LEL/ 50%LEL)
O2: 0~30.0% VOL (Low/High Alarm Point: 18.5% vol/ 23.5%vol)
CO: 0~500 PPM (Low/High  Alarm Point: 35 PPM / 70 PPM)
H2S: 0~100 PPM (Low/High Alarm Point: 10 PPM / 20 PPM)
Other gas types: referring to the gas parameter list

Transducers:
Combustible gas: plug-in Catalytic Combustion sensor
O2 / H2S / CO: plug-in Electrochemical sensors

Alarm Type:
low & high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm

Acoustic Alarm:
Variable-frequency pulse alarm which can reach volume of 95dB in a distance of 1 foot (0.3 meter)

Visual Alarm:
Two red LED omnibearing visible glitter alarm

Vibrating Alarm:
Pulsant signals alert the gas alarm or any other alarm status

Display:
Alphanumeric large LCD screen displays the real time gas concentration and alarm stage

Backlight:
Automatically activated when working in poor lighting environment or the alarm sounding or the button is knobbed down.

Self-checking:
Function Self-checking after start up.

Calibration Function:
Automatic zero point calibration ; Automatic measurement range calibration.

Power Supply: Rechargeable lithium battery

Operating & Storage Environment:
Temperature: -20°C~55°C (-4F~122F)
Humidity: 5%-95% (Relative humidity non-condensing)
Pressure: 95~110kPa

Weight: 211g
Size: 126mmx66mmx33mm

Remarks: The detected gas types and detecting range can be changed based on customer's request.