Audio Visual Creep
  • Checks that the opening of the contacts and the ‘snap’ of the disc occur at the same time.
  • The status of the contacts of the thermostat are indicated by an analogue meter needle.
  • The ‘snap’ of the disc is indicated by an audible ‘click’ sound which is amplified through a speaker in the unit or through external headphones.
  • A probe is applied across the contacts of the thermostat and the thermostat is heated or cooled until switching occurs.
  • The probe contacts measure electrical continuity.
  • A piezoelectric sensor in the probe detects the vibration caused by the ‘snap’ of the disc.
  • Requires only  220VAC power.
  • More than  65 sold so far in China and Vietnam.
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