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B Taking Measurements
Please proceed as follows:
Set the selector to the desired mode. "PHOTO", "CONTACT",
"m/min." or "ft/min.".
a) during contactless measuring, hold the measuring instrument
with the button activated in such a way that the laser point hits the
reflective tag. Read the measured value.
b) During contact measuring you will need a direct contact between
the two conical (rubber) adapters and the revolving parts of a
machine. Hold the mounted rubber adapter close to the end of the
shaft to be measured. Read the measured value.
c) During contact measuring of belt speed, carefully touch the belt
you want to measure with the friction wheel, keep the button pres-
sed and read the measured value.
d) You can then read the recorded values with the "MEMORY" but-
ton. Proceed as follows:
1. Press the key once: measured value of the highest number of
revolutions/belt speed, then the symbol "UP"
2. Press the key twice: measured value of the lowest number of
revolutions/belt speed, then the symbol "dn"
3. Press the key three times: last measured value of the number
of revolutions/belt speed, then the symbol "LA".
Warning!
Every new measuring automatically cancels/over-
writes the old values.
Disposal
If the Manual R.P.M. Counter DT2L does not function any more alt-
hough it has an intact power supply (4 x 1.5 V mignon batteries) and
cannot be repaired any more it has to disposed of in accordance
with the valid legal requirements.
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