VM-50A Portable Methane Gas Leak Detector with LCD Display

This compact methane gas detector features a high-precision sensor calibrated for CH₄, detecting concentrations from 0–10,000 PPM with fast 45-second response time. Designed for household or industrial safety, it alerts you with sound and screen indicators at preset thresholds (2000/4000 PPM). Ideal for kitchens, RVs, workshops, and gas pipe inspection. Lightweight, battery-powered, and easy to use anywhere.

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Product Specifications:

  • Product size: 16*22.5*21mm
  • Product weight: Approx. 38g (without battery)
  • Measure: Flammable EX (calibrated with methane CH4)
  • Detection Scope: 0-10000 PPM
  • Error Range: EX: ±5% FS
  • Response Time: EX<45S
  • Indication Mode: LCD screen display power supply (Concentration, alarm information and sound alarm)
  • Alarm Threshold Value: Low alarm 2000PPM, High alarm 4000PPM
  • Work Environment: -10~50°C; <95%RH without condensation
  • Standby Time: Approx. 1 hour 50 minutes
  • Sensor Drift: Every half a year, Zero<2% FS, Sensitivity<3% FS
  • Battery Voltage: DC 3V, 2 replaceable No.7 batteries