Photo Tachometer Non-Contact rpm and speed measurements From 2 to 6 inches (50 to 150mm) measurement distance from target Features: • Large 5 digit LCD display is easy to read • Built-in memory recalls last MAX/MIN value stored • Autoranging with 0.05% accuracy • Non-contact measurements from 5 to 99,999rpm • Use reflective marker on object to be measured and point the integral light beam or accurate readings updated every second • 2 to 6 inches (50 to 150mm) measurement distance (depending on ambient light) • Complete with 23" reflective tape, four AA batteries and case Non-contact measurement on machinery where access is limited Specifications Range (rpm) Accuracy Sampling Time Resolution Dimensions Weight 5 to 99,999 ±(0.05%rdg +1d) 1sec > 60rpm 0.1rpm (0.5 to 999.9rpm);1rpm (>1000rpm) 6.7 x 2.8 x 1.5" (170 x 27 x 37mm) 8.8oz (250g) Ordering Information: 461893 ................Non-contact Photo Tachometer 461893-NIST ......461893 with NIST certificate 461937 ................Spare Reflective Tape (10 strips, 23" each) www.extech.com Specifications subject to change without notice. 10/29/08 - R1 Copyright © 2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.