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UT373 Mini Tachometer (Measuring RPM) Contact Less

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Specifications Range Resolution Accuracy
RPM measurement 10.0~9999.9RPM 0.1 ±(0.04%+2)
10000~99999RPM 1
Counting measurement 0~99999 counts 1 ±1
Auto range
Auto power off
Low battery indication
Laser-on indication
Data hold
Rotating speed/count function switching
Overload indication
LCD backlight
Refresh rate 1s to 7s (>120rpm for 1s)
Sensor type Photodiode and laser tube
Target distance 50mm~200mm
Measuring angle ±30° from perpendicular
Drop test 1m
General Characterisitics
Power 1.5V battery (R03) x 3
Display 5-digit segment code; 99999 max display
Product color Red and grey
Product net weight 85g (excluding battery)
Product size 183.8mm x 56mm x 34mm
Standard accessories Batteries, reflective tape



UT373 Mini Tachometer

UT373 is a reliable digital non-contact tachometer used to measure rotation speed of motors and other machines.This device is able to display results in RPM or revolution count. UT373 is able to safely measure rotational objects through a non-intrusive method.

  • Auto range
  • Up to 99999 display; overload diaplay, “OL”
  • RPM measurement and revolution count
  • Max/Min, data hold
  • Singal trigger/laser-on indication
  • Low battery/auto power off indication
  • LCD backlight

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