Digital Non-Contact Tachometer UT-373


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UT-373 Mini Tachometer RPM Meter is a reliable digital non-contact tachometer used to measure the rotation speed of motors and other machines. UT-373 laser tachometer is able to display results in RPM or revolution count. This portable PRM measuring instrument is able to safely measure rotational objects through a non-intrusive method. The core design of this rpm counter is the micro controller, photoelectric speed sampling processing, unique design makes it a superior performance tachometer.


  • Auto range
  • RPM measurement: 10 to 99999 RPM
  • Counting measurement: 0 to 99999 counts
  • Auto power off
  • Low battery indication
  • Laser-on indication
  • Data hold function
  • MAX/MIN mode
  • Overload indication
  • Battery life: Continuous work for 12 hours
  • Drop test: 1 m
  • Working temperature and humidity: 0 ° C to 50 ° C (no more than 80%RH)
  • Storage temperature and humidity: -20 ° C to + 60 ° C (no more than 80%RH)


  • Power supply: 3 1.5 V batteries (AAA)
  • Dimensions: 183.8 x 56 x 34 mm
  • Additional information
  • Gross weight: 85 g (excluding battery)
  • Manufacturer part number: UT-373


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