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Calibration of standard instruments:
•
Put the loop resistance with the indicated resistance value through the measuring hole.
•
Press SEL key to start
Fig. 8.41
The calibration process is shown by a rotor in the display. After finish of a calibration for 1
second you get the message "calibration ok", and then the unit switches on to the next
calibration value.
Abb. 8.42
In order to guarantee the measuring accuracy of the
NOTE
accurate to at least 0.2 %.
This is ensured with the conductivity simulator (289190 and 289191) you get as accessory.
Display of calibration faults:
Fig. 8.43
If the simulated conductivities (resistance values) are outside prescribed limits, then a
calibration fault will be displayed. Calibration can then be repeated with a new resistance
value or aborted.
The Pharma version of the
NOTE
measuring cell included with delivery are calibrated in the factory in combination with a
DN 50 flow armature.
417101109_LMIT08.doc
LMIT08
conductivity and temperature transmitter as well as the
- 75 -
LMIT
08, the loop resistances must be
Rev. 3-01.10
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