Combination Photo Tachometer/Stroboscope 2 meters in one - Stroboscope to analyze rotating objects Plus a Non-Contact Tachometer to measure rpms Features: • Unique display where characters reverse direction depending on measurement mode you are in • Large 0.4" 5 digit LCD digital display • Microprocessor based with quartz crystal oscillator to maintain high accuracy • Tachometer memory stores last, max and min readings • Performs Tachometer RPM measurement and Stroboscopic speed and motion analysis • Stroboscope course and fine flash rate adjustments in three ranges • Battery operation brings motion analysis to any location • Complete with four 1.5 volt AA batteries, reflective tape and carrying case Specifications Range RPM Accuracy Surface Speed Sampling Time Resolution Power Dimensions Weight Photo 0.5 to 20,000 Strobe 5 to 99,999 ±(0.1% +2digits) 0.2 to 6560 ft/min 1sec > 6 RPM 1 Sec ≥ 60 RPM 0.1 RPM (<1,000 RPM) 0.1 FPM (<1,000 FPM) 1 RPM ( ≥ 1,000 RPM) 1 FPM (≥1,000 FPM) 4 x 1.5V AA Batteries 8.5 x 2.6 x 1.5" (215 x 65 x 38mm) 10.6oz (300g) Ordering Information: 461825 ................Combination Tachometer/Stroboscope 461825-NIST ......461825 with NIST certificate 461937 ................Spare Reflective Tape (23" each strip),10pk www.extech.com Specifications subject to change without notice. 6/13/08 - R1 Copyright © 2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.