DH Instruments PPC2 AF - Presu

PPC2 AF OPERATION AND MAINTENANCE MANUAL
© 1998 DH Instruments, Inc. Page 46
3.4.1 PRESU
 PURPOSE
To select the pressure units that will be available for selection from the UNIT function key.
 PRINCIPLE
The UNIT function key (see Section 3.2.2) makes available a choice of six default pressure
units. However, PPC2 AF supports many additional commonly used units. These units can
be made available for active selection by customizing the unit function using 1PresU
under the SPECIAL menu key. This allows PPC2 AF to offer a very wide selection of units
while simplifying day to day operation. The typical user will customize the UNIT function key
to support his/her six most commonly used units.
 OPERATION
To customize the UNIT function key, from the main run screen press the SPECIAL menu key
and then select 1PresU. The display is:
1. Entry field to select which unit position (1 - 6) of the UNIT
function key menu is to be changed.
Set up user unit #6
ZSTD: 14.102
Enter the number of the unit position that you would like to change. The display becomes:
Select the category of the pressure unit that you would like to select (SI units include all units
based on SI such as mmHg), then select the desired unit from the unit menu.
The units available are:
1SI 2OTHER 3ALTITUDE
1Pa
2kPa
3MPa
4mbar
5bar
6mmHg
7mmWa
1psi
2psf
3inHg
4inWa
5kcm2
1feet
2meters
See Section 9.3 for the pressure unit conversion factors used by PPC2 AF.