Specifications subject to change without notice.
Copyright © 2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
www.extech.com 10/29/08 - R1
Non-Contact rpm and speed measurements
From 2 to 6 inches (50 to 150mm) measurement distance from target
Photo Tachometer
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
Ordering Information:
461893 ................Non-contact Photo Tachometer
461893-NIST ......461893 with NIST certificate
461937 ................Spare Reflective Tape (10 strips, 23" each)
Specifications
Range (rpm) 5 to 99,999
Accuracy ±(0.05%rdg +1d)
Sampling Time 1sec > 60rpm
Resolution 0.1rpm (0.5 to 999.9rpm);1rpm (>1000rpm)
Dimensions 6.7 x 2.8 x 1.5" (170 x 27 x 37mm)
Weight 8.8oz (250g)
Non-contact measurement on machinery where
access is limited
