English Datasheet

1/8 DIN Panel Tachometer
Continuous & accurate readings from 5 to 99,990 rpm
Using optional Proximity or Photoelectric sensors
• Measure RPMs from 5 to 99,990rpm with
microprocessor quartz crystal accuracy of
0.05% + 1digit
• Resolution from 0.1rpm (5 to 1000rpm) to
1rpm (1000 to 9999rpm) to
10rpm (10,000rpm to 99,990rpm)
• Large 4 digit LED display updates
once per second (rpm greater than 60)
• Unique design permits RPM measurements of a
one hole gear or disk eliminating the need for
special gears
• A pulse is measured when a ferrous
object (stud) passes by sensor
• Powered by: 115/230 VAC 50/60Hz
Bezel: 3.78 x 1.89 x 2.36" (96 x 48 x 60mm)
Meter: 3.61 x 3.54 x1.66" (92 x 90 x 42mm)
Weight: 13.9oz (397g)
Panel cutout: 3.62 x 1.77" (92 x 45mm)
• Choice of two sensor pickup types:
Proximity sensor designed for target distance of
0.1" (3mm), covers range to 36,000rpm (600Hz);
Photoelectric sensor with target distance
of 0.4" (10mm) and range to 15,000rpm (250Hz);
Both encapsulated sensors include 6 ft.
(1.8m) cable
Ordering Information:
461950 ................Panel Mount Tachometer
461950-NIST ......Panel Mount Tachometer with NIST Certificate
461955 ................Proximity Sensor, max. 36,000 rpm
461957 ................Photoelectric Sensor, max. 6000 rpm
Specifications subject to change without notice.
8/05/08 - R1
Copyright © 2007- 2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
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