Extech Vibration Meter Laser Combo Tachometer – 461880

In stock

This instrument measures vibration through a magnetically mounted sensor. It also measures shaft speed and RPM with a rotary and laser tachometer. Great for motor and machinery testing.

Extech Vibration Meter Laser Combo Tachometer – 461880

Measures Acceleration, Velocity, Displacement, RPM and Surface Speed


  • Unique large LCD displays characters on reverse direction depending on function
  • Comes with Windows compatible software to analyze data on a PC
  • Basic accuracy:
    • Tachometer: ±(0.05%+1 digit)
    • Vibration: ±(5%+2 digits)
  • 1 year warranty
  • Comes complete with:
    • Vibration sensor with 39” (1m) cable
    • Magnetic mount
    • Wheels (cone and flat tips)
    • Reflective tape
    • 4 AA batteries
    • Software with cable
    • Hard carrying case
  • Vibration Meter Features:
    • Remote vibration sensor with magnetic adapter on 39"(1m) cable
    • Wide frequency range of 10Hz to 1kHz
    • RMS or Peak Value measurement modes
    • Manual/Auto store/recall up to 1000 readings
    • Data Hold freezes the reading in the display
    • Auto shut-off saves battery life
  • Tachometer Features:
    • Uses a laser for greater distance non-contact measurements up to 4.9ft (1.5m)
    • Stores last, max, and min readings

Vibration testers are indispensible for testing the operation of motors, bearings, fans, pumps, rotating machinery, pulleys, mounts and buildings. If unusual vibration is detected it could mean the component is operating improperly or will wear too fast. Vibrations can mean a piece is out of balance or malfunctioning and can save on repair costs down the road.

A tachometer simply measures the speed of rotation of a shaft. This tachometer measures the RPM and surface speed of any shaft or spinning wheel. With the ability to measure surface speed through both contact or from a laser tachometer function. This is a much safer way of testing a spinning component that could be dangerous or hard to reach. This instrument is the ultimate motor or spinning machinery testing and calibration meter.

With the ability to test vibration as well as rotation speed it is simple to pin point at which speeds certain vibrations occur. This helps to know when a motor or spinning piece of machinery might wear faster or be more efficient. The 461880 Vibration Meter Laser Combo Tachometer User Manual is attached to this page to answer any additional questions.


  • Vibration Meter:
    • Acceleration: 656ft/s2, 200m/s2, 20.39g (peak)
    • Velocity: 7.87in/s, 200mm/s, 19.99cm/s (peak)
    • Displacement: 0.078in, 2mm (peak-to-peak)
    • Resolution: 1ft/s2, 0.1m/s2, 0.01g; 0.01in/s, 0.1mm/s, 0.01cm/s; 0.001in, 0.001mm
    • Basic accuracy: ±(5%+2 digits)
  • Tachometer:
    • Photo: 10 to 99,999rpm
    • Contact: 0.5 to 19,999rpmΩ
    • Surface Speed: 0.2 to 6,560ft/min (0.05 to 1,999.9m/min)
    • Basic accuracy: ±(0.05%+1 digit)
  • Dimensions: 7.4 x 3 x 1.8" (188 x 75.5 x 46.8mm)
  • Weight: 1.12lbs (507g)

Unit Ship Weight: 2 lbs

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