Four-in-one gas detector for mine Multi-gas detector Model: CD4
Product introduction:
Simultaneous detection and display of methane (CH4), carbon monoxide (CO), oxygen concentration (O2), hydrogen sulfide (H2S)
Applicable places: petrochemical, coal, metallurgy, chemical, municipal gas and other places on-site testing
Product features :
â—† Highly intelligent technology, easy to operate, stable and reliable.
â—† Alarm point can be set according to user requirements.
â—† two sound and light alarm function.
â—† High-resolution LCD ( LCD ) display.
â—† dynamic background light function, alarm vibration function (optional).
â—† Battery voltage indication.
Technical indicators:
Ordering model
CD4
Measuring gas
Methane ( CH4 ), Carbon Monoxide ( CO )
Oxygen ( O2 ), Hydrogen Sulfide ( H2S )
Measuring principle
Catalytic combustion sensor ( CH4 )
Electrochemical sensors ( CO , O2 , H2S )
measurement method
Diffusion measurement method
Measuring range
CH4 : 0~4.00%CH4
O2 : 0~25.0%VOL
CO : 0~1000ppm
H2S : 0~100ppm
measurement accuracy
CH4 : ±10% , O2 : ±0.7%VOL
CO : ±5% , H2S : ±5%
Alarm point settings
Full range adjustable
Battery charge display
Display battery level in real time
Display and sound and light alarm
Highlight digital display, alarm sound level 80dB
Resolution
CH4 : 0.01%CH4 , O2 : 0.1%VOL
CO : 1ppm , H2S : 1ppm
Full charge continuous working time
More than 12 hours
power supply
3.6V rechargeable lithium battery
Temperature / humidity
0~40 °C / ≤98 %
Size / weight
105 ( L ) ×56 ( W ) ×28 ( H ) mm/250g
Explosion-proof type
ibdI (150 °C ) Shockproof Antistatic ABS Case
Standard configuration
Host, charger, leather case, manual, qualified product, warranty card
Automatic zeroing and calibration
Background light display
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