2025 product catalog-9 1

BH-4M Portable Multi Gas Detector

  • Four alarm Methods for Sound/light/vibration/Display
  • Type-C Interface
  • Support TWA/STEL alarm
  • Micro vacuum sampling pump
  • Manual switching gas detection method
  • Type-C Interface
  • New UI Interface
  • Multi-point calibrationn

Product Specifications

Type Parameter
Display:
  • 2.0 inch LCD Display
Alarn method:
  • sound/light/vibration/display/TWA/STEL
Charging time:
  • <5h
Working time:
  • ≥ 8h
Working Temperature:
  • -10~55℃
Working environment:
  • ≤ 95%RH (no dew)
Sensor Life:
  • 2 Years (Depends on the specific usage environment)
Response time:
  • pump type T90<30s; natural diffusion T90<60s
Dimension:
  • Pump type 160*69*7mm; natural diffusion 150*69*55m
Weight:
  • Pump type about 372.5g; natural diffusion 335g
Sampling method:
  • Natural diffusion & pump type
Voltage:
  • DC 3.7V
Power supply:
  • 2800mAh (lithium battery)
Pumping distance:
  • ≤20m
Data com-medication:
  • supports USB connection to the computer for viewing

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