Combination Photo/Contact Tachometers
Combines both contact and non-contact models
Choice of Laser-guided model for greater distance non-contact measurements
Features:
•
Unique display where characters reverse direction
depending on measurement mode you are in
•
Large 0.4” (5 digit) LCD display
•
Microprocessor based with quartz crystal oscillator
to maintain high accuracy
•
Tachometer memory stores last, max and min readings
•
Provides wide RPM (photo and contact) and
Linear Surface Speed (contact) measurements
•
Accurate to 0.05% with max resolution of 0.1rpm
in either photo or contact mode
•
Complete with tips and wheel for rpm or linear surface speed,
four 1.5V AA batteries, reflective tape and carrying case
Additional Features (461995):
•
Narrow beam Laser photo tachometer
for accurate non-contact RPM measurements
•
Measurements from up to 6.5ft from the
target for improved safety and accessibility
Specifications for both models
Range (RPM) 461895
Range (RPM) 461995
Accuracy
Sampling Time
Surface Speed
Resolution
Power
Dimensions
Weight
Photo mode
5 to 99,999
10 to 99,999
0.05% rdg +1 digit
1 Sec > 60rpm
Contact mode
0.5 to 20,000
0.5 to 20,000
1 Sec > 6rpm
0.2 to 6560ft/min
0.05 to 1999.9m/min
Ordering Information:
461895
................Combination
Contact/Photo Tachometer
461895-NIST
......461895
with NIST certificate
461995
................Laser
Photo/Contact Tachometer
461995-NIST
......461995
with NIST certificate
461937
................Spare
Reflective Tape (10pk, 23" each roll)
461990
................Set
of Spare Contact Wheels (2 sets of 3)
0.1rpm (< 1,000 rpm)
1rpm (>1000rpm)
4 AA batteries
8.5 x 2.6 x 1.5”(215 x 65 x 38 mm)
10.6 oz (300 g)
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.
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