Model: K4020 | UPC: 800837000675

High accuracy, includes tripod mount for stationary use.


REED K4020 Offers

This digital stroboscope freezes the motion and measures the speed of a rotating object, without contact. The K4020 features flash rate speeds from 100 to 10,000 RPM, a xenon light bulb and a bright LED display.

What’s included with the REED K4020

  • Digital Stroboscope
  • Light Bulb
  • Power Cord


  • Simply aim the instrument at the rotational object and synchronize the strobe’s flash rate (FPM) with object speed (FPM)
  • Basic accuracy of ±0.05%
  • 4-digit LED display
  • 5 to 30 minute duty cycle (RPM dependent)
  • Tripod mount for stationary use
  • 6-foot power cord

Ideal Applications for the REED K4020

Measure the speed of moving gears, fans, centrifuges, pumps, motors, and other rotational equipment.