461891 Datasheet, PDF (3/4 Pages) Extech Instruments Corporation. – Contact Tachometer

Front Panel Description
1 Shaft with cone adapter attached
2 LCD display
3 Measure button
4 Function select switch
5 Memory button
6 Funnel adapter attachment
7 Surface wheel adapter attachment
Operation
RPM Measurement
a) Slide the Function Switch to the "RPM" position.
b) Install the appropriate RPM Adapter on the Shaft
c) Press the Measure button while lightly pressing the RPM adapter against the
central opening of a rotating shaft in proper alignment. Release the Measure
button when the display stabilizes (about 1 to 2 seconds).
Surface Speed Measurement
a) Slide the Function Switch to "ft/min" or "m/min"
b) Attach the Surface Speed Wheel to the Shaft
c) Press the Measure button and hold the surface speed wheel against the device
being measured. Release the Measure button when the display stabilizes.
Memory Recall
The last value and last max and min values obtained before releasing the Measure
button are automatically stored by the meter. These memorized values can be
displayed by pressing the Memory button as described below:
a) Press once and hold - the last value is displayed followed by the "LA" icon
b) Press again and hold - the maximum value is displayed followed by the "UP"I con
c) Press again and hold - the minimum value is displayed followed by the "dn" icon
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461891 Ver. 1.9 7/02