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3. Press ON/OFF button, the Meter is default to enter the RPM measurement mode. Point the
Tachometer light source to reflective tape, the vertical angle of the reflecting tape is not greater
than 30°.
4. The LCD displays the RPM reading.
Note:
1. When measuring RPM, the LCD displays “0.0000” if there is no signal for continuous 7
seconds.
2. When the RPM reading is greater than 99999. the LCD displays OL.
B. Counts
Self-lighted Counts (see figure)
1. Position the Meter on a flat place. Hold the Meter 50~200mm and at the vertical angel not
greater than 30° from the Tachometer light source to the object under test.
2. Press the ON/OFF button
3. Press the R/C button to select Count mode.
4. Point he Tachometer light source to the object under count
5. The LED scans the object under count, the Meter accumulates the counts and displays the
quantity.
Note:
1.The object under count must be reflective, otherwise Counts feature cannot be used.
