BH-90A single gas detector

BH-90A portable single gas detector can make continuous detection to combustible and toxic gases. It is suitable for combustible and toxic gas leakage detection in underground pipe or mines, and keeps the workers safe, prevents the facilities from being destroyed.The detector, adopting excellent-quality sensor, makes detection in the way of natural diffusion. It has good sensitivity and reproducibility. The detector adopts embedded MCU controller, easy to operate.

Product Specifications

Product type
Gas leak detector alarm
Sampling method
Diffusion type(Sampling pump optional)
Display
Large LCD
Alarm method
Audio, Visual LED and Vibratory
Working environment
-20℃~50℃
Power Supply
3.7V Rechargeable lithium battery
Gas Sensor Life
2 years
Charging time
Less than 5 hours
Data record
1000pcs data storage
Working time
8h continuously
Password protection
Password protection and password modification
Explosion-proof grade
Exib IIB T3 Gb
Principle
Electrochemical and Catalytic sensor
Additional function
Flashlight
Humidity
0-95%RH (no dew)
Shell materia
ABS
Dimensions
100*60*30mm(L*W*H)

Measurable Gas Meter

Model Range L-alarm H-alarm
CO 0-1000ppm 35ppm 200ppm
O2 0-30%vol 19.5%vol 23.5%vol
H2 0-100%LEL 20%LEL 50%LEL
H2S 0-100ppm 10ppm 20ppm
CH4 0-100%LEL 20%LEL 50%LEL
C2H4O 0-20ppm 10ppm 15ppm
C2H4 0-100%LEL 20%LEL 50%LEL
C3H8 0-100%LEL 20%LEL 50%LEL
C2H5OH 0-100%LEL 20%LEL 50%LEL
NH3 0-100ppm 25ppm 50ppm
CL2 0-20ppm 5ppm 10ppm
O3 0-20ppm 5ppm 10ppm
SO2 0-100ppm 2ppm 5ppm
PH3 0-20ppm 0.3ppm 5ppm
CO2 0-50000ppm 1000ppm 2000ppm
NO 0-250ppm 20ppm 50ppm
NO2 0-20ppm 5ppm 10ppm
HCN 0-500ppm 10ppm 20ppm
HCL 0-50ppm 10ppm 20ppm
CH2O 0-10ppm 2ppm 5ppm
VOC 0-100ppm 20ppm 50ppm
C6H6 0-100ppm 20ppm 50ppm

 

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