BH-4M Multi Gas Detector

BH-4M portable multi gas detector could detect combustible gas, O2 and other two types toxic gases continuously and simultaneously. This gas detector give you two options. Optional sampling pump, sampling mode can be switched at will to meet your different needs. It can be widely used in petroleum, chemical, environmental protection, smelting, refining, biochemical medicine, agriculture, science and technology, universities and other industries and fields.

TAG:   BH-4M multi gas detector portable multi gas detector Bosean gas detector
* The new GUI design scheme is adopted, the interface display is more comprehensive, and the operation is more user-friendly.
* Natural diffusion or pumping gas detection methods can be selected, and 1 to 4 gas types can be detected at the same time.
* Using miniature vacuum sampling pump, stable flow, long life    and low noise.
* It adopts a 2.0-inch high-definition color screen with a wide viewing angle of 120 degrees.
* The three-button operation is simple and intuitive.
* Support a variety of extended functions to meet users' different product applications.
*Sound, light, vibration and display four alarm modes.
*It supports switching between real-time gas concentration data display and real-time curve display mode.
*It supports multi-point calibration, up to 5 points calibration.
*Multiple data storage methods, alarm storage, manual storage.
*Support Chinese and English switching, other languages can be customized.
*Large-capacity (2500mAh) rechargeable lithium battery, which can last longer.
*The USB interface adopts Type-C interface, and there is no fear of plugging in front and back.
*Support TWA, STEL alarm function.

Gas sampling method:  Pump suction type, natural diffusion type

Response time:              Pump suction type T90<30s, natural diffusion type T90<60s

Detecting gas:               Support 1~4 kinds of gas detection 

Accuracy:                      ≤±5% F.S.

Indication:                     2.0 inch color display, resolution 320*240

Alarm methods:             Acousto-optic vibrating display quadruple alarm, TWA/STEL alarm

Data communication:    Support USB to connect to the upper computer of the computer to view data

System language:          Support Chinese and English switching; other languages can be customized

Working environment:  Temperature -10℃~50℃; humidity<95%RH (no condensation)

Power Source:               DC3.7V (Lithium battery capacity 2500mAh)

Charging way:               Type-C charging interface, 5V/1A standard charger

Standby time:                ≥8h

Charging time:              <5h

Gas Sensor Life:             2 years

Protection Grade:          IP65

Weight:                          372.5g(include pump)

Dimensions:                   Pump suction type: 160*69*75mm; 

                                       natural diffusion type: 150*69*55mm


TAG:   BH-4M multi gas detector portable multi gas detector Bosean gas detector
Model Range Resolution L-alarm H-alarm
CO 0-1000ppm 1ppm 50ppm 150ppm
O2 0-30%vol 0.1%vol 19.5%vol 23.5%vol
H2 0-1000ppm 1ppm 50ppm 150ppm
H2S 0-100ppm 0.1ppm 10ppm 20ppm
CH4 0-100%LEL 1%lel 20%LEL 50%LEL
C2H4O 0-100ppm 1/0.1ppm 20ppm 50ppm
EX 0-100%LEL 1%lel/1%vol 20%LEL 50%LEL
C3H8 0-100%LEL 1%lel/1%vol 20%LEL 50%LEL
C2H5OH 0-100%LEL 1%lel/1%vol 20%LEL 50%LEL
NH3 0-100ppm 0.1/1ppm 20ppm 50ppm
CL2 0-20ppm 0.1ppm 5ppm 10ppm
O3 0-10ppm 0.1ppm 2ppm 5ppm
SO2 0-20ppm 0.1/1ppm 5ppm 10ppm
PH3 0-20ppm 0.1ppm 5ppm 10ppm
CO2 0-5000ppm 1ppm/0.1%vol 1000ppm 2000ppm
NO 0-250ppm 1ppm 50ppm 150ppm
NO2 0-20ppm 0.1ppm 5ppm 10ppm
HCN 0-50ppm 0.1/0.01ppm 10ppm 20ppm
HCL 0-20ppm 0.001/0.1ppm 5ppm 10ppm
CH2O 0-20ppm 1/0.1ppm 5ppm 10ppm
HF 0-100ppm 0.01/0.1ppm 2ppm 5ppm
C7H8/C8H10 0-20ppm 0.01/0.1ppm 5ppm 10ppm

Note: Not all gases and range are listed, if you need more information, please contact us.

TAG:   BH-4M multi gas detector portable multi gas detector Bosean gas detector

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