CONTACT TACH OPERATION
Measurement Procedure:
1. Screw the contact collar onto the optical
end of the 505L.
2. Attach the cone or concave tip to end of
the contact collar shaft.
3. Press and hold the START button and
then press the Contact button (lower left)
on the 505L.
4. While pressing the START button, hold the
wheel against the center end of the rotat-
ing shaft.
Note:
The 505L can be set to contin-
uous on, eliminating the need to hold
the START button down. Press and hold the START
button then press the MEMORY but
ton. “L-on” will dis-
play indicating continuous on is activated. Deactivate con-
tinuous on by holding down the START button and press the
MEMORY button. “L-off” will display indicating continuous
on is deactivated.
5. Read the RPM on the LCD.
Lightly press the cone or concave tip to the center of
the rotating shaft. Measuring from anywhere but the
center will result in incorrect readings.
4
Contact collar
Cone
Tip
Concave
Tip
Содержание 505L
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