JUMO dTRANS CR 02, Operating Manual, Page: 103 / 120

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16 Appendix
Min./max. value memory
This storage records the minimum and maximum input quantities that have
occurred. This information can be used, for example, to assess whether the
design of the connected sensor is suitable for the values that actually occur.
The max./min. value memory can be reset,
see chapter 6.7.6 "Delete min/max values", page 35:
Datalogger
Recording duration = about 10 hours with a storage interval of 1 second
Recording duration = about 150 days with a storage interval of 300 seconds
Range switchover
In some processes it is advantageous to have two measurement ranges
available, for example in rinsing and regeneration processes.
Normally in these processes a low conductivity must be recorded. In the case
of rinsing/regeneration, however, the conductivity is significantly higher, which
would result in measurement overrange (error). This situation is not only
unsatisfactory, it could also be dangerous.
- Autorange
The Autorange function can be used to define two measurement ranges
between which the instrument switches in a defined manner.
- Manual
Switching is initiated in this function mode by a binary input.
When range switchover is activated, the parameter set is switched as well!
When range switchover is activated, two copies of the following parameters
are present:
- Relative cell constant
- Offset
- Temperature compensation
- Temperature coefficient