Endress+Hauser Deltabar FMD72, Operating Instructions Manual

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Deltabar FMD72 Commissioning
55
11.8 Linearization
11.8.1 Manual entry of a linearization table
Example:
In this example, the volume in a tank with a conical outlet should be measured in m 3 .
Prerequisite:
• This is a theoretical calibration, i.e. the points for the linearization table are known.
• The "Level" measuring mode has been selected.
• A level calibration has been performed.
• The linearization characteristic must rise or fall continuously.
• For a description of the parameters mentioned, see "Description of device parameters" (
®
ä
75) section.
Description
1 Select the "Manual entry" option via the "Lin. mode
(037)" parameter.
Menu path: Setup
®
Extended Setup
®
Linearization
®
Lin. Mode
3.5
0
0
3
V
[m3]
h
[m]
A0017669
2 Select using the "Unit after lin. (038)" parameter, e.g.
m
3 .
Menu path: Setup
®
Extended Setup
®
Linearization
®
Unit After Lin.
3 Enter the number of the point in the table (e.g. 1)
via the "Line numb. (039)" parameter.
Menu path: Setup
®
Extended Setup
®
Linearization
®
Line-numb
The level is entered via the "X-value (040)"
parameter, here 0 m for example. Confirm your
entry.
Menu path: Setup
® Extended Setup ®
Linearization
®
X-value
Using the "Y-val (041)" parameter, enter the
corresponding volume value, here 0 m3 for
example, and confirm the value.
Menu path: Setup
®
Extended Setup
®
Linearization
®
Y-val.