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Overview
Display: 18mm high 5-digit LCD display Test range: 2.5RPM~99,999RPM (RPM) Resolution: 0.1RPM (revolution per minute) (2.5~999.9RPM) 1RPM (revolution per minute) (above 1000RPM) Measurement accuracy: ±(0.05%+1) Sampling time: 0.8 seconds (above 60RPM) Effective measuring distance: 50mm~500mm (laser light source) Time base: 6MHz quartz oscillator Range selection: automatic switching Power supply: single 6F22 9V battery (not included) Power consumption: about 35mA Instrument size: 131 × 70 × 29 mm Automatically store the maximum value, minimum value and last measured value Automatic zero adjustment, these deposits, can read saved data and minimum and maximum values at any time. Tachometer via a red light beam visible by a powerful LED indicator. Widely used in fields such as motor, electric fan, papermaking or automobile, plastic industry, chemical fiber, washing machine, etc.. High-performance electronic component, shell made of durable ABS plastic, no need for maintenance for years.