Mini Laser Photo Tachometer Counter Laser Light Source Used for greater accuracy and longer measuring distances taking non-contact RPM measurements Features: • Make non-contact RPM measurements of rotating objects • Use reflective tape on object to be measured and point the integral laser • Memory button holds last reading and recalls min/max readings • Counter function counts up to 99,999 revolutions • Easy to read large 5 digit LCD display • Rugged double molded housing for better grip • Complete with 9V battery and reflective tape Non-contact fan blade RPM or REV testing Specifications RPM range Count range Max Target Distance Basic Accuracy Resolution Memory Dimensions Weight 2 to 99,999rpm 1 to 99,999rev (revolution) 1.6ft (500mm) ±0.05% 0.1rpm, 1rev Min/Max/Last 6.2x2.3x1.6" (160x60x42mm) 5.3oz (151g) Ordering Information: 461920..................Mini Laser Photo Tachometer Counter 461920-NIST ........461920 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 © 2007-2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.