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461750-en-US_ V2.5 11/21
Introduction
Congratulations on your purchase of the Extech Tachometer.
The
Model 461750 Contact Tachometer
uses convex and concave attachments to measure
RPM. It also has a built-in wheel to measure the linear surface speed of moving devices such as
conveyors and treadmills. Careful use of this tachometer will provide years of reliable service.
Meter Description
1.
RPM adaptor
2.
Wheel for linear surface measurements
3.
Adaptor shaft
4.
Adapter socket
5.
Hand Guard
6.
Power ON/OFF and HOLD button
7.
Unit of measure selection button
8.
LCD Display
9.
Alternate Power ON/OFF button
Note that the battery compartment is located
on the rear of the instrument
Display Description
1.
Low Battery
2.
Data Hold
3.
Rotations per minute
4.
Meters per minute
Feet per minute
Yards per minute
