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Tachometers are digital instruments that measure the speed of rotation (revolutions per minute, also known as RPM) of shafts and disks, as found in motors and other machinery. Reliability Direct offers contact as well as non-contact, portable hand-held as well as permanently installed, panel mount tachometers. Choose from popular manufacturers such as Monarch, Checkline, SKF, Extech, Ecom Instruments, Compact Instruments, and Reliability Direct.


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Monarch Instrument  PT99 Tachometer Monarch Instrument PT99 Tachometer

Portable non-contact optical red LED tachometer

  • Measures up to 99,999 Revolutions per Minute
  • Operates up to 36 inches from target 30
  • Range: 5 to 99,999 RPM
  • Accuracy: 0.01% or 1

Our Price: $160.00
PLT200 Handheld Tachometer Monarch Instrument PLT200 Pocket Laser Tachometer

Portable laser tachometer that can utilize external sensors and output a TTL signal

  • Only portable LASER tachometer available with remote sensors
  • Plug in any Monarch Remote Sensor for extended range and special applications
  • Operates up to 25 feet from a reflective target
  • TTL compatible Pulse Output to trigger devices like data collectors or stroboscopes

Extech 461920 Mini Laser Photo Tachometer Counter Extech 461920 Mini Laser Photo Tachometer Counter

Laser Light Source
Used for greater accuracy and longer measuring distances taking non-contact RPM measurements
  • Make non-contact RPM measurements of rotating objects
  • Use reflective tape on object to be measured and point the integral laser
  • Memory button holds last reading and recalls min/max readings

List Price: $159.99
Our Price: $179.99
Extech 461920 Mini Laser Photo Tachometer Counter Extech 461920-NIST Mini Laser Photo Tachometer Counter

Laser Light Source
Used for greater accuracy and longer measuring distances taking non-contact RPM measurements
  • Make non-contact RPM measurements of rotating objects
  • Use reflective tape on object to be measured and point the integral laser
  • Memory button holds last reading and recalls min/max readings

Our Price: $258.49
Check-Line PLT-5000 Pocket Laser Tachometer Check-Line PLT-5000 Pocket Laser Tachometer

  • Contact and Not-Contact Measurements
  • One Button Operation
  • 10 user selectable reading storage memory

Our Price: $269.00
Bright LED 5 digit display Checkline DT-105A & DT-107A Contact Tachometer with LED Display

Highly versatile professional contact tachometer

  • Measure RPM, Speed, or Distance
  • Selectable Units of Measure, SI and Imperial
  • Easy to Read, Light Emitting Diode Display
  • Operates about 65 hours on 2 AA batteries

150,000 RPM Monarch Instrument Smart-Laser Speed Sensor

Laser speed sensor provides a TTL pulse output for vibration data collection, portable balancing or data acquisition

  • Completely self-powered and contained everything in one small package
  • On-Target indicator
  • Smart auto gain provides best performance in picking up target reflection
  • Manual sensitivity knob provides dynamic fine tuning of sensor response
  • 1/4 - 20 UNC mount for tripod
  • TTL pulse output with signal inverter switch
  • RS-232 output can provide ASCII information to a PC
  • External DC power or re-chargeable internal battery

Our Price: $1,275.00
Monarch ACT-1B Panel Mount Tachometer Monarch Instrument ACT-1B Tachometer

  • Universal Input
  • 200 mV to 50 VAC Input
  • 1/8 DIN
  • 5 to 99,999 RPM
  • 115/230 VAC or 12/24 VDC
  • Optional Analog Output

Starting At $249.00
Monarch ACT-3 Panel Mount Tachometer Monarch Instrument ACT-3 Programmable Tachometer/Totalizer

  • 1/8 DIN sized
  • 5 Digit LED display
  • 5 to 999,990 RPM range
  • Universal sensor inputs
  • N.I.S.T. Traceable Certificate of Calibration included
  • User configurable with front panel push buttons or Optional PM Remote Software

Starts at $299.00