Extech 461891 Data Sheet

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.

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6/13/08 - R1

For Contact rpm measurements

Plus Linear surface speed measurements in ft/min or m/min

Contact 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

• Contact measurements from 0.5 to 19,999rpm plus
linear surface speed measures in ft/min or m/min

• Simply contact rotating object with sensor tip and read

• Accessory wheels enable tachometer to
measure linear surface speeds

• Complete with cone tip, flat tip and
spare wheel for surface speed measurements,
four 1.5V AA batteries and case

Ordering Information:

461891 ................Contact Tachometer

461891-NIST ......461891 with NIST certificate

461899 ................Set of Spare Wheels

461936 ................Spare Reflective Tape (5pks, 23" each roll)

Specifications

Range 0.5 to 19,999rpm

0.2 to 6560ft/min

0.05 to 1999.9m/min
Accuracy ±(0.05%rdg +1d)
Sampling Time 1sec>6rpm
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 9.2oz (260g)

Accessory wheels enable tachometer to measure
linear speed surfaces