Bosean BH-4A Portable Multi Gas Detector


(GST 18% Exclusive)

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Bosean BH-4A Portable Multi Gas Detector is a portable device that detects the gases of CO, H2S, O2, and LEL. This Multi Gas Detector is 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. This Multi Gas Detector large LCD display with good amount of brightness.
Applications: Construction sites, chemical plants, factories, Wastewater treatment facilities, Mining industry, and Tank storage parks

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Bosean BH-4A Portable Multi Gas Detector is a Multi gas detector could detects the combustible gas, O2 and other two types of toxic gases continuously and simultaneously. This Bosean Multi Gas Detector helps the workers life and avoid the damage.
Features of Bosean Portable Multi Gas Detector:

  • LCD display
  • Adjustable alarms
  • 500pcs alarming record data logger Module monitoring, Sensor setup, Alarm record.
  • Comply with ATEX
  • Advanced MCU for Low-Power Consumption.
Gas Range Alarm Point
O2 0-30% by Volume 19.5 by Vol. decreasing and 23.5% by Vol. increasing
LEL 0-100% LEL 20% and 50% LEL
CO 0-1000 ppm 35 and 200 ppm instant
H2S 0-100 ppm 10 and 15 ppm instant

Additional information

Weight 1 kg


Model No


Measuring Parameters

CO, H2S, O2 and LEL


CO, H2S and O2-Electrochemical Combustible Gases-Catalytic


Digital LCD

Operating Temperature

-20 to 60 °C

Operating Humidity

5 to 95% RH Non-condensing


3.7VDC 2000mA rechargeable lithium battery

Operating Time

Approximately 15 hours Continuous, non-alarm conditions

Charging Time

6 Hours


85 dB at 1m

Protection class

IP 65


123 mm X 62 mm X 30 mm


210 Grams

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Portable Multigas Detector

Bosean BH-4A Portable Multi Gas Detector


(GST 18% Exclusive)

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