4-2 Photo RPM measurement
1)Select ( default ) the function to " Photo RPM ", refer
chapter 4-1, page 5.
2)Apply a " Reflecting Mark " ( 3-10, Fig. 1 ) to the
object being measured. Press the " Power Button "
( 3-2, Fig. 1 ) continuously and align the " Laser Light
Beam " ( 3-8, Fig. 1 ) with the applied target. Verify
that the " Monitor Indicator " ( 3-11, Fig. 1 ) lights
when the target pass through the light beam.
Measuring consideration :
If the measured RPM values is very low ( for
example less than 50 RPM ), recommend to attach
more " Reflecting Marks " average to the object. It
will get the real RPM with high resolution, precisely
& fast sampling time when divided the reading
values by the no. of the " Marks ".
4-3 Contact RPM measurement
1)Select ( default ) the function to " Contact RPM ", refer
chapter 4-1, page 5.
2)Press the " Power Button " ( 3-2, Fig. 1 ) & lightly
pressing the " RPM Adapter " ( 3-6, Fig. 1 ) against the
center hole on the hole of the measured rotating axis.
Release the " Measuring Button " when the reading
stabilizes ( approx. 2 sec. ).
6
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