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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
  • 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
Rotation speed measurement
Range Optical (non-contact) measurement: 1 to 99999 revolutions/minute
Contact measurement: 1 to 19999 revolutions/minute (Fluke 931 only)
Precision ±0.02%RD+1
Sensing distance (optical) 500 mm
   
Specifications
Battery type (2) 1.5V LR6 (alkaline) AA battery
Battery life About 40 hours
Operating temperature 0°C to 50°C
Storage temperature -20°C to 70°C
Weight 250 g
Dimensions 175 × 60 × 28 mm
Warranty period 1 year

 

Models: Fluke 931 Contact and Non-Contact Dual-Purpose Tachometers
 
Accessories
 
  • 0.1 m wheel
  • Conical speed measuring head
  • Inner cone speed measuring head
  • Lengthening rod
  • 10 reflective stripes