2. Allow the readings to stabilize (can take 30 minutes or more). If you prefer, you can
change the display to show the dierence in the readings. Press HOLD and a display
similar to the following appears:
The numbers on the first line indicate how much the transmitter reading diers from that
of the HMI41 reference probe. The numbers on the second line indicate the reference
probe reading. You can return to the previous display by pressing HOLD again.
3. When the readings have stabilized, press ENTER to complete the adjustment. When you
press ENTER, the transmitter reading is corrected to the reference probe reading. If the
adjustment has been succesful, the following display appears:
4. The data is now stored in the transmitter memory. If the adjustment has not been
successful, the following display appears:
In case of an error, perform the adjustment again. Whether the adjustment was succesful
or not, HMI41 always returns to display the selected adjustment mode.
5. When the calibration is successfully done, power o HMI41 and disconnect the cable.
Chapter 6 – Calibration and Adjustment
65
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