Portable RPM Tachometer Fluke 931 is a handheld instrument that combines both contact and non-contact speed measurement capabilities. It accurately measures revolutions per minute (RPM), surface speed, and distance, making it suitable for a wide range of applications. Offering reliable performance at an affordable price, this RPM meter delivers consistent quality for technicians and professionals. This industrial tachometer is ideal for measuring the operating speed of cars, engines, motors, boats, and various industrial equipment. Applications:- HVAC compressors for industrial systems, chemical manufacturing plants, machining, water purification plants, metalwork, pulp and paper, textile, and automotive heavy manufacturing environments, etc.