From the Manufacturer
Perform Tachometer RPM measurement and Stroboscopic speed and motion analysis. Unique display reverses character direction depending on which measurement mode you are using. Tachometer memory stores last/max/min readings for recall. Strobe features course and fine flash rate adjustments in 3 ranges. Complete with 4 AA batteries, reflective tape, and carrying case.
Product Description
Tachometer memory stores last, max and min readings. Stoboscope coarse and fine flash rate adjustments in three ranges. 0.1% basic accuracy with 0.1 RPM resolution. Microprocessor based with quartz crystal oscillator to maintain high accuracy. Battery operation brings motion analysis to any location.