DH Instruments PPC4, Руководство по эксплуатации и обслуживанию

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PPC4™ OPERATION AND MAINTENANCE MANUAL
© 2009 DH Instruments, a Fluke Company Page 84

OPERATION
To run the Q-RPT and utility sensor search and initialize function, select <RPT> from the Main
Menu. PPC4 displays <Searching for RPTs…> while it runs the search function. When the
RPT search is complete, the Q-RPTs identification screen is displayed.
1. IH, and L: Identification of RPTs in Internal (PPC4), Hi and Lo
positions.
2. X1H and L: Identification of RPTs in External (RPM4), Hi and Lo positions.
IH:A7Mu L:none
X1H:A7M L:A700K
The cursor is on the position designator of the active Q-RPT or utility sensor. Use the cursor
control keys to move the cursor to other positions and to view the third line if present.

to make
the selected Q-RPT or utility sensor active in its default range (see Section 3.2.6). <RPT>
again to cause the Q-RPT search to run again.

to return to the Main Run Screen without making
any changes.
4.5.13 <Unit>

PURPOSE
To select the unit of pressure in which PPC4 displays pressure values (see Section 3.2.10).

OPERATION
To change the pressure unit of measure for the active
range, use
<Unit> from the Main Menu screen while
the range is active. The display is:
♦kPa ♦Pa ♦MPa
♦hPa ♦bar ♦mbar
The cursor is on the number corresponding to the pressure unit of measure active for the current range.
To change the pressure unit of measure, select the desired unit. Making the selection returns
to the Main Run Screen with the selected unit active.
4.5.14 <Range>

PURPOSE
To view and/or change the active pressure measurement range and associated settings (see
Section 3.2.9).

OPERATION
<Range> from the Main Menu activates the range viewing and selecting function. When
<Range> is first selected, the range identification screen for the active range is displayed.
For example:
1. Q-RPT or utility sensor designator.
2. Type of range. DF for the Q-RPT’s default range; AR for a range
created by AutoRange.
3. Q-RPT or utility sensor position designator.
4. Current pressure unit of measure.
5. Full scale pressure in current unit of measure in gauge and/or
absolute measurement mode depending on type of Q-RPT and range.
Active A700K DF IH
psi 100g/100a
To select a range to become the active range,

while the desired range is displayed.
PPC4 must be vented for the range change to occur.

if necessary to complete the range
change.
When selecting a range, if the range’s Q-RPT is an external Q-RPT and the PPC4 cannot
communicate with it, PPC4 displays
<Cannot find range’s external Q-RPT (Xn)> .

or

to return to the range selection screen. For information on setting up and
communicating with external Q-RPTs see Section Section 2.3.6.