DUAL-PURPOSE TACHOMETER by Fluke Electronics Corp (Industrial Div.)
OEM#: 931

New OEM Original Outright
Your price:
$487.21 / each
This item ships within 10 days 95% of the time .
Asset Information
Product Overview

The Contact / Non-Contact Dual-Purpose Tachometer is handheld. It integrates the contact and non-contact speed measurement functions and can accurately measure the revolutions per minute (RPM) or surface speed on rotating machinery. Where equipment needs quick troubleshooting to diagnose problems, this is the right tool for the job. With the ability for contact measurement and non-contact combined, this provides greater flexibility for the professional technician.

  • 6-digit backlight display reads data clearly
  • Signal detection reminder avoids invalid detection actions
  • Maximum/minimum/average value and final readings
  • Setting/Turning off automatic power-off function
  • Small size and easy to hold
  • Easy switching of contact and non-contact measurement modes
  • Different speed measuring heads and rotational speeds adapt to different measurement occasions
  • Optical (non-contact) measurement range: 1 to 99999 revolutions/minute
  • Contact measurement: 1 to 19999 revolutions/minute (Fluke 931 only)


  • 1 - Contact / Non-Contact Dual-Purpose Tachometer
  • 1 - 0.1 m Contact Wheel
  • 1 - 6 in Contact Wheel
  • 1 - Cone Shaft Contact
  • 1 - Internal Cone Shaft Contact
  • 1 - Shaft Extension
  • 10 - Reflective Strips

Technical Specs

Key Specs

Fluke Electronics Corp (Industrial Div.)
New OEM Original
Battery Life
40 H
Battery Type
Operating Temperature
0°C - 50°C
Storage Temperature
-20°C - 70°C
Product Overview
Technical Specs