About Instrument Calibration
MC4 User Guide 141
Calibration
1. In the calibration window: press F3/
Start
.
2. Set the pressure using, e.g. a pressure pump. Aim for the cal-
ibration point's target value as shown on page 131.
3. How a calibration point is accepted depends on the procedure
settings of the instrument at hand:
• If
Automatic Calibration Point Acceptance
is set
(checked), the input and output values of the current
point are saved automatically. Automatic acceptance
settings are presented in chapters Procedure Data
Page on page 165 and Accepting Calibration Points
Automatically on page 178.
• If
Automatic Calibration Point Acceptance
is not
set, accept the point using F3/
Accept
Function Key.
Note that this functionality is also available when
Au-
tomatic Calibration Point Acceptance
is set. This
allows you to save results when the input and/or output
signals are permanently unstable.
4. Proceed to next calibration point (step 2) if applicable. When
the calibration run is ready, save or reject the results as de-
scribed in chapter A Calibration Procedure Using MC4 on
page 130.
5. Either do another calibration run, adjust the instrument or end
the calibration by selecting F1/
Menu
,
Close
.
Hint!
When measuring absolute pressure while using high pressure Pres-
sure Modules, you may enter manual barometric pressure in the
window that opens by pressing F1/
Menu
,
Instrument Input
or
F1/
Menu
,
Instrument Output
. Then you may select "
Absolute
"
as the pressure type and MC4 uses the manually entered barometric
pressure to display the measured gauge pressure as absolute pres-
sure.
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