PG-M4+ Multi Gas Detector

Sensor

electrochemical sensor (oxygen and toxic gas); 

catalytic combustion type sensor (combustible gas)

Battery

7.2 V lithium ion rechargeable batteries

Battery work time

work continuously 15 hours 

Display

large screen LCD

Alarm

audible and visual alarm

Reading Data

instantaneous value, peak value, battery voltage, TWA, STEL

Explosion-proof Level

Ex ibdIICT3

working temperature

-10°C ~ +40°C

Working Humidity

5-90%RH

Appearance Size

180mm×110mm×80mm

Weight

1kg

Product Model

Measuring range

Accuracy

Resolution

Respond 

Time

Sensor life

Combustible gas(EX)

0-100%LEL

<±5%(F.S)

1%LEL

≤15s

3-5year

oxygen(O2)

0-30%VOL

<±5%(F.S)

0.1% vol

≤15s

2-3year

carbon monoxide(CO)

0-999ppm

<±5%(F.S)

1ppm

≤25s

2-3year

Hydrogen sulfide (H2S)

0-100ppm

<±5%(F.S)

1ppm

≤30s

2-3year

sulfur dioxide (SO2)

0-100ppm

<±5%(F.S)

0.1ppm

≤30s

2-3year

nitric oxide (NO)

0-250ppm

<±5%(F.S)

1ppm

≤60s

2-3year

nitrogen dioxide (NO2)

0-20ppm

<±5%(F.S)

0.1ppm

≤25s

2-3year

chlorine(CL2)

0-20ppm

<±5%(F.S)

0.1ppm

≤30s

2-3year

ammonia(NH3)

0-100ppm

<±5%(F.S)

1ppm

≤50s

2-3year

hydrogen(H2)

0-1000ppm

<±5%(F.S)

1ppm

≤60s

2-3year

hydrogen cyanide (HCN)

0-50ppm

<±5%(F.S)

0.1ppm

≤200s

2-3year

hydrogen chloride (HCL)

0-20ppm

<±5%(F.S)

0.1ppm

≤60s

2-3year

phosphine (PH3)

0-20-1000ppm

<±5%(F.S)

0.1ppm

≤25s

2-3year

methanal (CH2O)

0-19.99 ppm

<±1.5%(F.S)

0.01ppm

≤50s

2-3year

phosgene(COCl2)

0-1 ppm

<±5%(F.S)

0.1ppm

≤50s

2-3year

As for unlisted detected gas and measuring range, please contact with our company