English Datasheet

Mini Laser Photo Tachometer Counter
Laser Light Source
Used for greater accuracy and longer measuring distances
taking non-contact RPM measurements
• 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
RPM range
Count range
Max Target Distance
Basic Accuracy
2 to 99,999rpm
1 to 99,999rev (revolution)
1.6ft (500mm)
0.1rpm, 1rev
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
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.