• Beijing Zetron Technology Co., Ltd
    Hello, I already used the equipment in an aluminum smelting plant in Mexico and I was surprised by the function of your company's laser device.
  • Beijing Zetron Technology Co., Ltd
    Good gas leak detection instrument !!! High accurate test values :D
Contact Person : Lisa Niu
Phone Number : +86 15699785629
Whatsapp : +8615699785629

BH-4AS Zetron Combustible Gas Leak Detector In Underground Channels

Place of Origin China
Brand Name Zetron
Certification CE
Model Number BH-4AS
Minimum Order Quantity 1 set
Packaging Details 160*70*28mm
Delivery Time 1-10 work days
Payment Terms T/T, Western Union, MoneyGram, D/P, D/A, L/C
Supply Ability 1000 SET / week

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Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Product Name Multi-Gas Detector Accuracy ≦±5% F.S.
Sensor Plug-in Electrochemical Sensor Temperature -20℃~50℃
Exterior Dimensions 130mm×67mm×30mm(L × W × H) Weight Appr. 400g (with Battery)
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Zetron combustible gas leak detector


Underground Channels combustible gas leak detector

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Product Description


BH-4AS Portable Multi-gas Detector


BH-4AS portable multi-gas detector could detect combustible gas, O2, and other two types of toxic gases continuously and simultaneously. It is widely used in the area where explosion-proof is required or toxic gas leaks, like underground channels or mining industry, so as to protect the workers' life and avoid damage to the relevant equipment.




Detecting gas:

CH4, H2S, CO, O2

*Natural diffusion sampling method and high-sensitivity sensor, with high sensitivity and repeatability.

*32-bit built-in MCU, high reliability, and self-adaptation ability.

*Full functions, easy operation.

*CSTN colorful LCD, more intuitionistic, abundant, and clear indication.

*Compact design, easy carrying.

*High-strength engineering plastics and compound anti-slippery rubber; high strength, water-proof, dust-proof, and explosion-proof.

*500pcs data records, can be contacted with computer via software. It can print the data records, can store data records, can make the data analysis.


Accuracy ≦±5% F.S.
Response Time ≦30s
Indication LCD displays real-time and system status;LED, audio and vibration alert for gas leakage, fault and low voltage.
Sensor plug-in electrochemical sensor
Alarm Type low & high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm
Working environment -20℃~50℃, <95%RH (no dew)
Power Source DC3.7V Li-on battery, 1800mAh
Charging time 6h~8h
Working time ≧8h continuously (without alarm)
Resolution 0.1%VOL (O2), 1ppm (CO), 0.1ppm (H2S), 1%LEL (EX)
Self-checking Function Self-checking Battery power, display, sensor, and hardware failure
Gas Sensor Life 2 years
Explosion-proof grade ExiaIICT3
Protection Grade IP65
Weight Appr. 400g (with battery)

130mm×67mm×30mm(L × W × H)

BH-4AS Zetron Combustible Gas Leak Detector In Underground Channels 0

Tag: Portable Gas Detector, Diffusion Type Gas Alarm DetectorCH4 Gas Analyzer, Combustible Gas Leaks, mining industry,  Underground Channels, Multiple gas alarm, OEM gas detector, Multi-Gas Detector, 4in1 gas alarm instrument, OEM/ODM service