The Bosean BH-4A 4-in-1 Portable Multi Gas Detector is designed for monitoring multiple hazardous gases in industrial and occupational environments. The detector can simultaneously monitor combustible gases, oxygen, carbon monoxide and hydrogen sulfide, helping operators identify potentially hazardous atmospheric conditions.
Its compact and portable design makes it convenient for use by safety personnel, maintenance teams and technicians during routine inspections, industrial operations and confined-space work.
The BH-4A provides gas concentration readings through an easy-to-read LCD display and incorporates multiple alarm methods, including sound, visual indication and vibration, to alert the operator when configured alarm limits are reached.
Main Features
4-in-1 gas detection for LEL, O₂, CO and H₂S
Simultaneous monitoring of multiple gases
Portable and compact design
Easy-to-read LCD display
Audible alarm
Visual alarm
Vibration alarm
Low-battery indication
Sensor fault indication
High/low alarm functions
Rechargeable battery
Suitable for industrial gas monitoring applications
Designed for convenient field operation
Gas Detection
Gas Typical Measuring Range
Combustible Gas / LEL 0–100% LEL
Oxygen / O₂ 0–30% Vol.
Carbon Monoxide / CO 0–1000 ppm
Hydrogen Sulfide / H₂S 0–100 ppm
Actual sensor range, alarm settings and configuration may vary depending on the supplied detector version.
Why Use a Multi Gas Detector?
Industrial environments can contain several atmospheric hazards at the same time. Combustible gases may create fire or explosion risks, while oxygen deficiency/enrichment and toxic gases such as CO and H₂S can present serious occupational hazards.
A multi-gas detector allows operators to monitor several atmospheric parameters using a single portable instrument, making it useful for workplace gas testing and safety procedures.
Applications
The Bosean BH-4A can be used for gas monitoring in:
Oil & Gas Industry
Petrochemical Plants
Chemical Industries
Refineries
Manufacturing Plants
Mining Applications
Confined Spaces
Sewage & Wastewater Treatment
Gas Storage Areas
Gas Distribution Facilities
Industrial Maintenance
Tank & Vessel Inspection
Construction & Utility Work
General Industrial Safety
Technical Specifications
Specification Details
Model Bosean BH-4A
Detector Type Portable Multi Gas Detector
Gas Channels 4
Gas Sensors LEL / O₂ / CO / H₂S
Sampling Method Natural Diffusion
Display LCD
Alarm Type Audible + Visual + Vibration
Battery Rechargeable Li-ion
Operating Time Approx. 8 hours*
Charging Time Approx. 6–8 hours*
Operating Temperature Approx. -20°C to +50°C*
Humidity <95% RH, non-condensing*
Dimensions Approx. 130 × 67 × 30 mm*
Its compact and portable design makes it convenient for use by safety personnel, maintenance teams and technicians during routine inspections, industrial operations and confined-space work.
The BH-4A provides gas concentration readings through an easy-to-read LCD display and incorporates multiple alarm methods, including sound, visual indication and vibration, to alert the operator when configured alarm limits are reached.
Main Features
4-in-1 gas detection for LEL, O₂, CO and H₂S
Simultaneous monitoring of multiple gases
Portable and compact design
Easy-to-read LCD display
Audible alarm
Visual alarm
Vibration alarm
Low-battery indication
Sensor fault indication
High/low alarm functions
Rechargeable battery
Suitable for industrial gas monitoring applications
Designed for convenient field operation
Gas Detection
Gas Typical Measuring Range
Combustible Gas / LEL 0–100% LEL
Oxygen / O₂ 0–30% Vol.
Carbon Monoxide / CO 0–1000 ppm
Hydrogen Sulfide / H₂S 0–100 ppm
Actual sensor range, alarm settings and configuration may vary depending on the supplied detector version.
Why Use a Multi Gas Detector?
Industrial environments can contain several atmospheric hazards at the same time. Combustible gases may create fire or explosion risks, while oxygen deficiency/enrichment and toxic gases such as CO and H₂S can present serious occupational hazards.
A multi-gas detector allows operators to monitor several atmospheric parameters using a single portable instrument, making it useful for workplace gas testing and safety procedures.
Applications
The Bosean BH-4A can be used for gas monitoring in:
Oil & Gas Industry
Petrochemical Plants
Chemical Industries
Refineries
Manufacturing Plants
Mining Applications
Confined Spaces
Sewage & Wastewater Treatment
Gas Storage Areas
Gas Distribution Facilities
Industrial Maintenance
Tank & Vessel Inspection
Construction & Utility Work
General Industrial Safety
Technical Specifications
Specification Details
Model Bosean BH-4A
Detector Type Portable Multi Gas Detector
Gas Channels 4
Gas Sensors LEL / O₂ / CO / H₂S
Sampling Method Natural Diffusion
Display LCD
Alarm Type Audible + Visual + Vibration
Battery Rechargeable Li-ion
Operating Time Approx. 8 hours*
Charging Time Approx. 6–8 hours*
Operating Temperature Approx. -20°C to +50°C*
Humidity <95% RH, non-condensing*
Dimensions Approx. 130 × 67 × 30 mm*
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