optris CompactPlus Connect Operator's Manual page 31

CTratio
Teach-In
The process temperature must be known for the teach-in function. This temperature can be set using two
variants:
•
Variant 1: Via a fixed value
Here the known process temperature is entered
manually.
•
Variant 2: Via Uncomitted value
The input is done via an analog signal, for example
an external sensor.
Procedure
Hold the dirty window in front of the sensor.
The Measure Now button (F12) can now be used to
record measuring points. The current transmission and
slope are entered into the table. Alternatively, the F12
button can be pressed.
Note
When recording different measuring points, the current process temperature must always be taken
into account. At least two measuring points with different degrees of contamination.
Recommendation: The more measuring points the better
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