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3.5 Sensor calibration
All tension meters are calibrated with standard materials - such as polyamide monofila-
ment (PA) - according to the SCHMIDT factory procedure; the material path is vertical.
The corresponding diameter and material can be found in chapter 2 of the sensor. In the
case of factory adjustment to the customer’s sample, the procedure is the same. In this
case, however, the adjustment to the SCHMIDT sample is omitted. Any difference in pro-
cess material size and rigidity from the standard material may cause a deviation of the ac-
curacy. In 95% of all industrial applications, the SCHMIDT calibration has been proven to
provide the best results and is used for comparative purposes.
If required you can also operate the sensor with a material path other than vertical. Should
the process material differ significantly from the SCHMIDT calibration material in size,
rigidity or shape, we recommend special calibration using customer supplied material. If
a different material path (e.g. horizontal) or special calibration using customer supplied
material is required, you need to carry out static zero and gain adjustment as described
in chapter 3.5.1.
Since zero and gain adjustments are always performed
statically, the readings may differ under dynamic load.
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