BH-4A 4 in 1 Multi Gas Detector

BH-4A portable multi-gas detector could detect combustible gas, O2 and other two types 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 on the relevant equipments.

We provide gas detector OEM/ODM service.

Free calibration
Lifetime maintenance
1-year warranty

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Feature

Detecting gas: Combustible gas, 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.
Large 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.

Specifications

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	O2 /H2S / CO: plug-in electrochemical sensor; Combustible gas (LEL): plug-in catalytic combustion sensor.
Working environment	-20℃～50℃, ＜95%RH (no dew)
Alarm Type	low & high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm
Backlight	Automatically activated when working in poor lighting environment or the alarm sounding or the button is knobbed down.
Power Source	DC3.7V Li-on battery, 1800mAh
Charging time	6h~8h
Working time	≧8h continuously (without alarming)
Gas Sensor Life	2 years
Explosion-proof grade	Ex ib llC T4 Gb
Protection Grade	IP65
Weight	Appr. 400g (with battery)
Dimensions	130mm×67mm×30mm(L × W × H)
Standard accessories	Suit case packaging, 1pc; Charger, 1pc; Calibration cap, 1pc; Communications cable, 1pc; User manual, 1pc.