15 Online parameters
174
Performing fine adjustment
1) Determine the lower value (as low and constant as possible) with the reference measuring
device.
Example: Set furnace temperature to 20 °C.
2) Enter the display value as the actual zero point and the reference value as the set zero
point.
Example: Enter 15 and 20.
3) Determine the upper value (as high and constant as possible) with the reference measuring
device.
Example: Increase furnace temperature to 80 °C.
4) Enter the display value as the actual end value and the reference value as the set end val-
ue.
Example: Enter 70 and 80.
Characteristic line
The following diagram shows the changes in the characteristic line caused by the fine adjust-
ment (point of intersection with the x axis as well as the slope).
Resetting the fine adjustment
The following settings must be made to reverse the fine adjustment:
Actual zero point = set zero point
Actual end value = set end value
y Display value (1) Characteristic line before fine adjustment
x Reference value (2) Characteristic line after fine adjustment
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