461825-NIST
2-in-1 Meter with stroboscope to analyze rotating objects and Tachometer to measure rpms, Stroboscope course and fine flash rate adjustments to freeze and analyze rotating objects, Battery operation brings motion analysis to any location, Unique display features characters that reverse direction depending on measurement mode, Large 0.4" (10mm) 5 digit LCD display, Microprocessor based with quartz crystal oscillator to maintain high accuracy, Tachometer memory stores last, max, and min readings, Complete with Four 1.5V AA Batteries, Reflective Tape, & Case with NIST.