Properties Of The Measuring Track - Brüel & Kjaer Vibro ds822 Serie Mode D'emploi

4 mm displacement sensor system series ds822 ATEX
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Instructions
9.3.2

Properties of the measuring track

The material characteristics of the object to be measured change the static and dynamic meas-
urement recordings. In order to achieve reproducible measurements, we recommend to adjust
the displacement sensor system to the respective shaft material.
20 mm
1. for large areas of unevenness (5 x 5 mm)
l
33 © Brüel & Kjaer Vibro GmbH / 4 mm ds822 ATEX / 9.11.16 / technical specifications subject to change / C105070.001 / V03
The measuring track must be at least 20 mm wide and free of scratches and
cavities.
To achieve meaningful measurement results, the following values must be
observed:
3.6
Roughness R
a
1
5 μm
Roughness R
z, max
Please also consider the axial movement of the shaft.
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