Operation; Quick Start - Sentry ST 723 Instruction Manual

4. Operation

4-1 Quick Start

A. Flip open the battery compartment cover and install a
9V Battery.
Non-Contact: Stick the self- adhesive reflective tape
B.
Contact: Attach the contact adapter to the tachometer
C. Hold the tachometer in your hand.
D. Press the MEAS button. Point the laser spot at the object
(the reflective tape) or bring the contact probe to the
object. Then read the measurement on the LCD display.
on the object whose rotational speed
is to be measured. The reflective tape
should be stocked as close to the
outer edge of the object to be measured
as possible.
(Do not over tighten!). Select the adapter
included and slides it onto the shaft of the
contact adapter. Align the adapter with the
alignment pin on the shaft of the contact
adapter.
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