Highly sensitive, noise signal proof

  Easy one key operation
  Audible and visible alarm
  Long battery life, auto power off

    Detection: natural gas(NG), methane.
    Sensor: planar semiconductor
    Warm up time: within 60 seconds
    Rnage of detection CH4: 0 ~ 100% LEL
    Alarm Frequency 2.713kHz / 30ms
                                    2.713kHz / 100ms
    Range of alarm ~2% LEL (LED Yellow)
                                ~10% LEL (LED Red)
    Alarm time            within 20 seconds
    Alarm mode           LED, buzzer
    Working temperature: -20C ~ 70C
    Working humidity less than 90% RH
    Power source AA 1.5V * 2
    Dimension 220 * 20 * 20 mm
    Weight approx. 80g