Product overview: Fluke 930 Non-Contact Tachometer Fluke 930 is a handheld tachometer and is equivalent to a Fluke 931 with minimum configuration and can accurately measure the revolutions per minute (RPM) or surface speed and distance. With only the non-contact measuring function provided, its 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