BH-60 Fixed Gas Detector

BH-60 fixed gas detector adopts advanced catalytic gas sensor or electrochemical sensor, which can translate the gas concentration in the air to the digital signal output. The detector working with gas controller can be used to detect gas in refinery, chemical plant, LPG station, boiler room, painting plant and other places with gas exists. We provide gas detector OEM/ODM service.

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Detection principle:

The system provides 24V standard DC voltage to the external detector, collecting standard (4-20) mA input signal to analyze and complete the digital display and alarm operation.

Suitable for:

this fixed gas detector can be connected with control panel, alarm information would be display in the control panel by uploading 485 or (4-20) mA. Gas technical parameter settings shows as in Appendix 1.(For reference only, users can set parameters according to specific conditions.)

Gas Detected                                                                                             

Ex, O2, CO, H2S, CH4, NH3, CL2, HCL, H2, NO, NO2, NOX, CH2O, O3, CO2, SO2, ETO, PH3, HCN, N2, HF

Detection principle

catalytic or electrochemical or PID's or infrared principles

Sampling Method

wall, pipeline, flow-through (with the monitoring of the environment-related)


1%LEL, 0.1ppm, 1ppm, 0.01%vol


<5% F.S.

Output signal

4-20mA ,0-5V, RS485, relays, wireless digital (optional)

 Response Time


Recovery Time ≦10S



Linearity error


Zero shift                                            

≦±1% (FS / year) 

Display Technology

Display high brightness LED display

Connection mode

G1 / 2 male proof hose pipe thread size Thread size M45 * 2mm

Working temperature



Ex d II CT6

Working voltage

DC 24V



 Cable requirement

4-20mA, RVVP, 3-line, ≧1.5 mm2

Modbus, RVVP, 4-line, ≧1.5 mm2


TAG:  Boseanh2s gas detectorFixed gas detectorBH-60h2s fixed 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.

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