Endress+Hauser Liquiline To Go Ex CYM291 Operating Instructions Manual page 34

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pH Oxy Cond
Difference (DIFF)
When the delta range (process variable and/or temperature) related to the last entry
is exceeded, a new entry is created and the delta range is displaced upwards or
downwards by the delta value. The first entry is automatically created when the data
logger is started.
Measured parameter
4
3
Delta
2
Delta
1
= entry
Difference + Interval combined (DIFF+INT)
When the delta range related to the last DIFF entry is exceeded, a new entry is creat-
ed (example: entry A) and the delta range is displaced upwards or downwards by the
delta value. As long as the measured value remains within the delta range, logging
is performed at the preset interval. The first DIFF entry is automatically created when
the data logger is started.
Measured parameter
4
3
Delta
2
Delta
1
Start logger
Example: First entry = 2, Delta = 1
Delta
Example: Logger type "Interval + Difference"
Delta
A
Delta
Interval
= entry
Data Logger
Time
Time