Witschi ProofMaster, Operating Manual

Page: 42 / 96

Use
42 / 96 17.10.2019
Prohibition
Do not test a leaky watch twice in a row!
Due to the residual pressure inside the watch, the results would be
distorted.
Open the watch before the second test to allow the positive pressure to
escape.
g) Remove the watch from the ProofMaster.
5.2.8 Cancelling the test
a) Press to stop the test.
ð
The test is stopped, the pressure is released and the bell
cover opens.
5.2.9 Positioning the watch
Mandatory
All instructions in this section must be observed!
For the most accurate results possible.
Temperature
Mandatory
The watch must be exposed to the same ambient
temperature as the ProofMaster during the test.
Temperature fluctuations in the housing during testing may affect the
test result.
• Keep the watch next to the ProofMaster before testing.
• If the watch has come directly from the user, wait until it has
reached the ambient temperature.
Positioning the watch
1
a) Insert the appropriate watch underlay into the opening 1 provided
for this purpose.
ð
See Included accessories [
}
Page 28] .
b) Remove the protective sticker or label from the housing.
c) Mount the watch on the watch underlay and pay attention to the
following points.
d) If the watch back is not flat, turn the watch over and place the
glass side on the watch underlay.
e) Position the watch so that the measuring probe can be lowered
onto the centre of the watch.
Tip
It is possible to lower and lift the sensor manually.
See Manually lowering/lifting the sensor [
}
Page 43] .