Fluke 931 Contact and Non-Contact Dual-Purpose Tachometers 
Digital Contact and Non-Contact Tachometer 
Model: 931 
Fluke - USA 
 
Key features
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
 
Product overview: Fluke 931 Contact and Non-Contact Dual-Purpose Tachometers
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.
 
Applications:
Heavy manufacturing environments, e.g. automotive, textile, pulp and paper, metalwork
Water purification plants
Machining and chemical manufacturing plants
HVAC compressors for industrial systems