Endress+Hauser Proservo NMS80 Brief Operating Instructions page 50

Commissioning
7.4.5 Drum calibration
1. Navigate to: Setup → Calibration → Drum calibration → Drum calibration
2. Ensure a distance of 500 mm (19.69 in) or more from the bottom of the displacer to the
liquid level.
3. Confirm that the displacer weight is correct for the Set high weight parameter.
4. Select the Start option.
 The drum calibration starts automatically.
The drum calibration records fifty points which will take approximately eleven
minutes.
5. Select the No option as usual for the Make low table parameter.
 To make a low table for special applications, select the Yes and use 50 g weight.
This completes drum calibration procedure.
To cancel any calibration, press  +  simultaneously. If the drum calibration is
canceled while making the new table, the old table remains effective. If making a new
table fails due to an obstruction, NMS8x will not accept the new table and shows an
error message.
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 27 Making drum table
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Proservo NMS80
A0030163
Endress+Hauser