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Fluke 931 Contact and Non-Contact Dual-Purpose Tachometers


34 in stock

  • 6-digit backlight display reads the data clearly
  • Signal detection reminder avoids invalid detection actions
  • Maximum/minimum/average value and final readings
  • Setting/Turning off the automatic power-off function
  • Small size and easy to hold
  • Easy switching of the contact and non-contact measurement modes
  • Different speed measuring heads and rotational speeds adapt to different measurement occasions
  • 1-year warranty

25,200.00  32,000.00 

34 in stock


Product Description

The Fluke 931 tachometer is a handheld tachometer, which integrates the contact and non-contact speed measurement functions and can accurately measure the revolutions per minute (RPM) or surface speed and distance. Fluke 930 is equivalent to a Fluke 931 with minimum configuration. With only the non-contact measuring function provided, it’s more affordable and offers consistent quality.

Technical data


Measuring range

Optical (non-contact) measurement: 1 to 99999 revolutions/minute
Contact measurement: 1 to 19999 revolutions/minute (Fluke 931 only)



General technical data


250 g


175 × 60 × 28 mm

Battery type

(2) 1.5V LR6 (alkaline) AA battery

Operating temperature

0°C to 50°C

Battery life:

200 hours; in about 6 minutes after auto power-off

Storage temperature

-20°C to 70°C


12 months


  • Heavy manufacturing environments, e.g. automotive, textile, pulp and paper, metalwork
  • Water purification plants
  • Machining and chemical manufacturing plants
  • HVAC compressors for industrial systems


Datasheet : Fluke 931 Contact and Non-Contact Dual-Purpose Tachometers

Instruction Manual : Fluke 931 Contact and Non-Contact Dual-Purpose Tachometers