Siemens Milltronics SF 500, Инструкция по эксплуатации, Страница: 39 / 134

7ML19985CN01 Milltronics SF 500 – INSTRUCTION MANUAL Page 33
mm
mmm
Reca
libr
at
ion
Press
Verify the results of the span adjust by material test or return to normal operation.
Design Changes
Changes to parameters that impact on the calibration do not take effect until a
recalibration is done.
If significant changes have been made perform a P377, Initial Zero (see page 34) and/or a
P388, Initial Span (see page 37).
Recalibration
To maintain the accuracy of the weighing system, recalibrate the zero and the span
periodically. Recalibration requirements are dependent upon the severity of the
application. Perform frequent checks initially. As time and experience dictate, reduce the
frequency of these checks. Record any deviations for future reference.
The displayed deviations are referenced to the previous zero or span calibration.
Deviations are tallied for successive zero and span calibrations. When their limit is
exceeded an error message shows that the deviation or calibration is out of range.
Routine Zero
Press
Press
P017 Test Rate Weight: MS1 V
Enter Test Rate 56.78
Note:
To obtain an accurate and successful calibration, ensure that no material is
flowing through flowmeter and that test weights are not used.
Zero Calibration. Current Zero 551205
Clear flowmeter. Press ENTER to start
Zero Calibration in progress
Current Reading:
0.01 kg/m
Calibration complete. Deviation 0.02
Press ENTER to accept value 551418
e.g. the new test rate value is displayed.
e.g. the current zero count
e.g. the rate reported while
calibration is in progress
e.g. the calculate deviation in % of
full span
if unacceptable, press
e.g. the new zero count, if accepted
to restart