AQM-374 Portable Hydrogen Sulfide (H₂S) Gas Detector 1500 Record Alarm Events with Audible, Visual, Vibration Alarm Function

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Keep workers safe and prevent facility destruction with our Portable Hydrogen Sulfide Gas Detector. Designed for explosive environments, it detects gas leakage through natural diffusion using a high-quality sensor for excellent sensitivity and repeatability. With an embedded MCU controller, it's easy to operate. The detector's special high-strength material and anti-slip rubber shell are water-proof and dust-proof for added durability.


  • Advanced MCU control with low power consumption
  • Large LCD display
  • Capable to record up to 1500 alarm events with timestamps
  • Adjustable high and low alarm level
  • Low battery indication
  • Real-time clock display
  • Visual, audible, and vibration alarm
  • Intrinsic safety design
  • Comes with a back clip
  • Made of synthetic resin precision casting for anti-skidding, waterproof, dust-proof, and explosion-proof properties


  • Gas Detected: Hydrogen Sulfide (H₂S)
  • Measuring Range:0~100ppm
  • Resolution:1ppm
  • Accuracy: ±3%FS
  • Alarm: Sound, LED, and Vibration
  • Working environment
    • Temperature: -20℃~70℃
    • Humidity: <95%RH non-condensing
  • Power Source: DC3.7V Li-ion battery 1700mAh
  • Charging time: 4h~6h
  • Protection level: IP65
  • Weight: about 130g
  • Dimension: 103 × 58 ×30mm

Set Includes:

  • 1 x H₂S Meter
  • 1 x Charger
  • 1 x Calibration cover / Adaptor
  • English Instruction Manual
  • Standard Factory Packaging

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