High Quality Non-Contact Tachometer


The high quality HT-4200 is both a rugged and compact tachometer. Simply aim the light beam at the reflective marker and instantly receive safe accurate measurements.

  • The HT-4200 is an upgrade for the HT-4100.
  • A larger easy to read display is incorporated into this compact, lightweight unit which can be easily slipped into your shirt pocket.
  • Built-in memory makes confirmation of up to 10 measured results easy.
  • Even shiny surfaces can be measured by using the reflective marks provided.
  • Wide measurement range from 30 to 50,000 r/min
  • Measurement can be performed safely at a distance ranging from 20 to 300 mm.
  • The last measurement is held for 30 seconds even after the power has been switched off.
  • Battery replacement time indicator is provided.
  • RoHS Compliant

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Range 30 - 50,000 rpm
Detection Distance 20 to 300mm / 1 to 12 inches
Display Large LCD 5 digit Display
Power / Battery life Three type AAA batteries provide 20 hrs. of continuous use.
Operating temperature 41° to 104° F / 5° to 40° C
Description High Quality Non-Contact (refective mark) Tachometer
Applicable Detectors Built-in red visable ray photoelectric method


Includes : 3 each AAA batteries and Reflective markers 1 sheet 25 marks.

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