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Program Controller SE-707
© 2018 by STANGE Elektronik GmbH
Subject to technical modifications
91
Fig. 2: resulting correction value curve of 5 correction points
The line resulting from the points are linearly included in the curve progression according to equation of a line.
All actual values (AV
Measuring Value
> 900) displayed after the last correction point are based on the resulting equation of a line of
the last two correction points (in the example P4 and P5). Thus results the correction value 5,5 (P
1400
) for the expected
temperature range end value of 1400 °C in the example.
Example calculation:
m = slope
Δy = Δ correction value
P
1400
= correction value at 1400 °C
Δx = Δ AV
Measuring value
P
1400
–
3 = m · Δx = 0,005 (1400
– 900) = 2,5
P
1400
= 5,5
AV
Display
= 1405,50 °C
Correction Value
AV
Measuring Value
[°C]
Correction Value Curve