REV 0, June 2005 Page 193
Operation Manual SUPREMA
7. Maintenance and Service
• Select the next measure point in the beginning calibration menu and repeat the procedure
described above.
Person 2:
• After being informed by person 1 that the sensitivity calibration has been completed
successfully, shut off the test gas supply and begin with the zero gassupply at the next
measure point to be calibrated.
7.1.3 Separate Zero Adjustment
A separate zero adjustment is possible from software versions MCP 2.02.15 and MDO 2.02.15b.
If the primary calibration has already been completed, then it is possible to only adjust the zero
in the course of maintenance work. The appropriate span value is then processed by the
SUPREMA based on the data from the last calibration completed. The steps for zero adjustment
are to be carried out as described in the previous section. After storage of the zero value („[Store]“
control field) the zero adjustment can be carried out by actuating the („End]“ control field). The
following confirmation dialog must be answered by entering <YES>.
Note: If the value is below the zero adjustment range, the separate zero setting is
cancelled and a warning displayed. Exceeding the calculated span value is also
invalid and results in cancelling of the separate zero setting. It is then
recommended to carry out a complete calibration (according to Sect. 7) and if
necessary replace the sensor.
Note: After the separate zero setting, no SPAN value is shown in the calibration
menu and in the logbook for these settings.
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