5. ADVANCED USER INTERFACE
Page 113
© 2009 DH Instruments, a Fluke Company
user defined unit, select
[Settings], <Pressure>, Pressure Unit, <User Units>
.
Then
Select
which of the five User Defined units to edit.
To edit the name using the text editing screen,
Select
and
Enter
the Unit Name
field.
Selecting
and
Entering
a letter allows brings up the character drop down
list.
Enter
to accept a replacement character,
to exit the drop down list.
Scroll left and right by using
[<<]
and
[>>]
.
[Delete]
to erase the current
character.
[OK]
to accept and return to the Unit edit screen,
[Back]
to reject changes and
return to the Unit edit screen,
[Esc]
or
to reject changes and exit to the Main
Run Screen.
Enter
the appropriate value for the number of Units/Pa in the second field of the
User Defined unit screen. For example, the unit kiloPascal (kPa) would have
Units/Pa equal to 0.001.
[OK]
to accept and return to the Main Run Screen,
[Back]
to reject changes and
return to the
<User Units>
tab,
[Esc]
or
exit to the Main Run Screen without
making a change.
5.7.6.2 Measurement Mode
PURPOSE
To set the measurement mode (absolute, gauge or negative gauge) for the active
range (see Section 3.2.11).
OPERATION
[Settings], <Pressure>, Measurement Mode
brings up the Measurement Mode
screen with the available mode selections. The shortcut to Measurement Mode is
the measurement mode field from the Main Run Screen (see Figure 11).
Select
and
Enter
to change the selected mode and return to the Main Run Screen with
the new mode active.
If an Axxx Q-RPT or a utility sensor is active, all thee measurement modes are
supported: absolute, gauge and negative gauge. If absolute and negative gauge
modes are OFF then only gauge mode is available. (see Section 7.2.5).
If a Gxxx Q-RPT is active, only gauge measurement mode is available.
[Settings], <Pressure>, Measurement Mode
results in a message:
<Only current
measurement mode is available>
.
[Back]
to return to
<Settings>
.
[Esc]
or
to return to the Main Run Screen
without making a change.
Note
•
Certain PPC4 settings, including AutoZ ON/OFF (see Section
3.2.22) are range AND measurement mode specific. See Table
4 for a listing of settings and what they are specific to.
•
Absolute and negative gauge modes on an Axxx Q-RPT can
be turned OFF in the calibration function (see Section 7.2.5).
When absolute and negative gauge modes are turned OFF for
an Axxx Q-RPT, only gauge mode can be activated.
5.7.6.3 Head
PURPOSE
To cause a pressure fluid head correction to be added or subtracted to the
pressure measured by the PPC4 reference pressure transducer in order to
Summary of Contents for PPC4
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Page 194: ...PPC4 OPERATION AND MAINTENANCE MANUAL 2009 DH Instruments a Fluke Company Page 182 Notes...
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