Commissioning Proservo NMS80
50 Endress+Hauser
7.4 Calibration
After installing or replacing NMS8x or its parts (sensor module, detector unit, wire drum, or
measuring wire), several calibration steps are required. All calibration steps may not be
required, depending on whether the device is being installed, adjusted, or replaced (see table
below).
Type of installation/replacement Calibration step
Sensor calibration Reference calibration Drum calibration
All-in one Not required Not required Not required
Displacer shipped separately Required Required Required
Displacer installation through
calibration window
Required Required Required
Replacement/
maintenance
Drum Required Required Required
Displacer Not required Required Required
Sensor module Not required Required Required
Detector unit Required Required Required
7.4.1 Verification of displacer and wire drum
Prior to installation of NMS8x, confirm that all of the following data of the displacer and the
wire drum on the nameplate match with those programmed into the device.
Parameters to be confirmed
Parameters Navigate to:
Displacer diameter Setup → Advanced setup → Sensor config → Displacer → Displacer diameter
Displacer weight Setup → Advanced setup → Sensor config → Displacer → Displacer weight
Displacer volume Setup → Advanced setup → Sensor config → Displacer → Displacer volume
Displacer balance volume Setup → Advanced setup → Sensor config → Displacer → Displacer balance volume
Drum circumference Setup → Advanced setup → Sensor config → Wiredrum
Wire weight Expert → Sensor → Sensor config → Wiredrum → Wire weight
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