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Witschi Watch Expert - Device Description

Witschi Watch Expert
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The Watch Expert is a precision measuring device for determining
the accuracy of mechanical watches.
The choice of parameters can be adjusted to suit the given require-
ments.
The W
atch Expert automatically calculates measured values for
rate deviation, amplitude and beat errors, and displays them
numerically.
With the aid of 4 different test modes, mechanical watches with the
following escapement types can be measured:
n Anchor escapement
n Duplex escapement
n Cylinder escapement
n Chronometer escapement
n Co-axial escapement
n AP escapement
in addition to watches with unusual beat noise.
The typical beat numbers of all common watches are recognised
automatically by the W
atch Expert. Alternatively, the beat number
can be entered manually.
In addition to the “Diagram display mode” , which shows the meas-
urement in the form of a diagram, the Watch Expert also features
the “VARIO display mode” , which shows rate accuracy and ampli-
tude measurements and displays the smallest, largest and
resulting mean values, in each case.
With the aid of the pivoting microphone, a watch can be measured
in 12 different test position.
The switching screw on the rear side of the microphone ensures a
stable handling position for left and right-handed users.
Bluetooth functionality allows the device to be connected to a suit-
able printer so the measured results can be printed out. Bluetooth
functionality is possible using an optional dongle. Otherwise the
connection is via the serial interface.
Description
Product description
Watch Expert
27.02.2018 Precision measuring device Watch ... 7

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