• 5 digit alphanumeric LCD display
  • Range: 5 to 99,999 RPM
  • Accuracy: ±0.01% or ±1 Digit
  • Resolution: Autoranging: 0.001 to 1.0 RPM
  • Operating Range: 2 inches to 36 inches, ±30°
  • Memory: Maximum, Minimum and Last
  • Power: (2) "AA" 1.5 VDC batteries (20 hours)
  • Environmental: 5° to 40°C (0° to 100°F)
  • Dimensions: 6.92 "H x 2.4"W x 1.6"D
  • Standards: IEC1010-1

What's in the Box

  • Batteries
  • Reflective tape (12 inches)


The Monarch Pocket Tach 99 tachometer is a portable, non-contact, optical tachometer, which operates from between 2 to 36 inches (±30°) from a reflective tape target using an LED light source.

The Pocket Tach 99 tachometer features a 5-digit alphanumeric LCD display. The range for the Monarch Instrument Pocket Tach 99 tachometer is 5 to 99,999 RPM with an accuracy of ±0.01%. Resolution is autoranging from 0.001 to 1.0 RPM.

The ergonomic design of this tachometer allows safe, direct line-of-sight viewing of both the rotating target and the display at the same time, while providing a no-slip rubber surface for single hand operation. It combines advanced features with value which makes it a great instrument for a wide variety of applications.

Applications for the Monarch Pocket Tach 99 Tachometer

  • Centrifuges
  • Couplings
  • Pumps
  • Grinders
  • Engines
  • Fans
  • P.T.O.
  • Gear Boxes
  • Motors
  • Pulleys
  • Shafts
  • Compressors


Here's how some of our customers use this product...

Small Engine Maintenance

The Background: Our customer is a small garage that services small motors used in lawn and farming equipment. They need a quick and easy way to measure rpm to adjust and check governor speeds on motors.

The Problem: The customer wants a quick and easy solution that can handle the rigors of a shop floor.

The Solution: We recommended the Monarch Pocket Tach 99 tachometer which provides fast measurements of rotational speeds of up to 99,999 RPM with an accuracy of 0.01%. The Pocket Tach 99 operates from 2 to 36 inches from reflective tape allowing safe, line of sight measurements.

In Stock

Part Number Price Available
$160.00 1 in stock

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