Gas leak detector including case with belt clip and wrist strap, batteries and calibration protocol

Highly practical gas leak detector for fast checks on gas pipe connections, with visual bar display.

  Self-test by sensor following switch-on
  Audible confirmation of readiness to operate
  Rising alarm sounds with increasing gas concentrations
  Non-stop sound if alarm threshold is exceeded
  Battery monitoring with visual display
  Shows gas concentration in visual bar display
  Sensor self-test following switch-on
  Audible confirmation of readiness to operate
  Increasing alarm sounds with increasing gas concentration
  Continuous sound if alarm threshold is exceeded
  Battery monitoring with optical display
  Self-test function