Комбинированный портативный мульти-детектор газа H2S PH3 CO2 SO2 4 в 1

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Product Overview


Combine H2S PH3 CO2 SO2 Portable multi 4 in 1 gas detector

Product Description

portable multi gas detector


portable multi gas detector


BH-4s gas detector 4 gases detecting 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. 


Main Features

1) Advanced MCU control with low power consumption
2) Adjustable low and high alarm level
3) Adjustable calibrating level
4) High concentration protection for combustible gas
5) Self test for the combustible gas sensor
6) Low battery indication
7) Replaceable sensor module
8) Self-adjustment function
9) Visual and audible alarm with vibration
10) STEL and TWA alarming for toxic gases
11) Advanced self-examination and self-renovation function
12) Password management to avoid wrong operation
13) Explosive proof housing

Detailed Images

portable multi gas detector

Orignal Structure

Bosean has been committed to the development of the gas detection industry with strong economic strength and strong technical strength , specializing in the research, development, manufacturing and sales of gas detectors.We have continuously developed new products with international advanced technology.


portable multi gas detector

Simple Operation

The body of the detector is small and easy to carry. The interface is simple and easy to operate. The shell is made of high strength ABS material, IP65 protection grade, dustproof, waterproof, explosion-proof, and can withstand the test of harsh environment.


portable multi gas detector

Four Alarm

Two-level triple alarm, not easy to ignore, high and low alarm value can be set.


portable multi gas detector

Standard Packaging

Metal aluminum box, machine, manual, certificate, lanyard, data cable, charger, calibration cover.

Product Parameters

Operating & Storage Environment
Temperature: -20°C~55°C (-4F~122F)
Humidity: 5%-95% (Relative humidity non-condensing)
Pressure: 95~110kPa
Sampling method
Diffusion type
Detecting Range
CO: 0~1000ppm
H2S:0~100 PPM
O2: 0~30%vol
Combustible Explosive Gas (Ex / LEL / CH4): 0~100%LEL
O2 /H2S / CO: plug-in electrochemical sensor
Alarm Type
low & high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm
0.1%VOL (O2), 1ppm (CO), 0.1ppm (H2S), 1%LEL (EX) 
3% F.S
Response time
Zero drift
Data record
500 sets of data storage
Alphanumeric large LCD displays the real time gas concentration and alarm stage
Automatically activated when working in poor lighting environment or the alarm sounding or the button is knobbed down.
Self-checking Function
Self-checking Battery power, display, sensor, hardware failure
Protection grade
Power Supply
Rechargeable lithium battery

Product Application

 The detector is suitable for explosion-proof, toxic gas leakage and rescue, underground pipelines, mines, metallurgy, power plants, chemicals, tunnels, etc., effectively avoiding the occurrence of poisoning accidents, ensuring the safety of workers and avoiding losses of production equipment.
portable multi gas detector

Measurable Gas Meter



Note: The above table is a general parameter. If you need other gas and range, please contact our online customer service.


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About Bosean

portable multi gas detector

Scope of Business

Bosean was founded in 2013, specializing in the development and production of gas detectors, gas analyzers and rangefinder. At present, our research and development instruments have been spread all over the world.

portable multi gas detector

R&D and Production

Bosean has always strictly implemented the ISO9001 quality management system. We adhere to the high standards of product quality, strict requirements, adopting the world-class production equipment, advanced management and production experience, developing the high-quality testing equipment.

portable multi gas detector

Service team

Bosean has a strong sales team and a comprehensive service process to serve end customers around the world.Whenever you have any questions, you can contact us at any time.

portable multi gas detector

Warehousing Logistics

Bosean has an independent warehousing base. It integrates instrument research and development, manufacturing, warehousing and delivery. It supports small batch spot delivery and mass customization.

patent certificate

so3 gas detector


portable multi gas detector



Q1:Are you a trading company or manufacturer ?
A1:We aremanufacturer.
Q2:What about the payment method?
A2:T/T, Paypal, Western Union, L/C is available.
Q3:Does your company accept customization?
A3:We do customizing service for customers.
Q4:What about the Shipment?
A4:We'll choose proper transportation mode based on the weight of goods, usually arrange shipment by air express such as DHL,FEDEX,TNT or UPS.
Q5:What about after-sale service?
A5:12 months warranty for all kinds of products.

How to contact us

Send your Inquiry Details in the Below, Click "Send" Now!    

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