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| Brand Name : | china coal | 
| Price : | FOB | 
| Delivery Time : | 5-10 days after your payment | 
| Payment Terms : | TT, Western Union and Paypal | 
| Supply Ability : | 1000 sets per month | 
Chinacoal08
At the same time to detect and display of methane (CH4), carbon monoxide (CO),
oxygen (O2), hydrogen sulfide (H2S)
Features:
At the same time methane, carbon monoxide, oxygen, hydrogen sulfide concentration
detection.
A high degree of intelligent technology, easy operation, stable and reliable.
Alarm point can be set according to user requirements.
2 sound and light alarm.
Large-screen digital LCD display.
The battery voltage function, the background light function.
| Measurement principle | Catalytic combustion sensor (CH4),Electrochemical sensors (CO, O2, H2S) | 
| Measurement of Gas | Methane (CH4), carbon monoxide (CO), oxygen (O2), hydrogen sulfide (H2S) | 
| Measurement | Proliferation of measurement methods | 
| Range | CH4: 0~4.00%CH4; O2: 0~30.0%VOL CO: 0~1000ppm H2S: 0~100ppm | 
| Accuracy | CH4: +10% O2: +0.7%VOL CO: +5% H2S: +5% | 
| Alarm Point Setting | Full range adjustable | 
| Battery display | Real-time display battery | 
| Display and sound and light alarm | High-brightness digital display and alarm sound level 80dB | 
| Resolution | CH4: 0.01%CH4 O2: 0.1%VOL CO: 1ppm H2S: 1ppm | 
| Full charge continuous working hours | More than 10 hours | 
| Power | 3.6V rechargeable lithium battery | 
| Temperature / Humidity | 0~40°C/ Less than 98% | 
| Size / Weight | 105(L)×56(W)×28(H) mm/250g | 
| Explosion-proof type | ibdI (150 °C) Shock antistatic ABS casing | 
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