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6. Operation
6.4.3
Precision and Repeatability
The flux density is a vector. To measure the exact value of that vector, the
probe has to be highly perpendicular to the direction of the flux density.
For example to measure a flux density of 1 T accurate to 1 mT, the angle
deviation may not be lager than 2.56 °.
To further illustration: At a rotation with a radius of 100 mm this is only a
distance of 4.47 mm.
The repeatability extremely depends on the quality of the mechanically
fixation of the probe.
6.4.4
Winding up of Cables
Cables always should be wound up in a way that no knots or twists occur. To
ease you the winding up of the cable we have collected and mentioned
below some instructions available on the Internet.
•
https://www.youtube.com/watch?v=0yPcJD7RVuY
•
https://www.youtube.com/watch?v=pEd7ru24Vx0
•
https://www.youtube.com/watch?v=3j1Wdc-ymbI
•
https://www.popularmechanics.com/technology/how-to/tips/a-solution-for-
tangled-headphones-15413257
Projekt Elektronik
MESS - UND REGELUNGSTECHNIK GMBH
Figure 41 Measuring arrangement cylindrical coil
Page 62
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