DH Instruments PPC2+, Manual

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PPC2+™ Operation and Maintenance Manual
Page 111
©2001 DH Instruments, Inc.
UCOEF
Purpose To convert 1 Pascal to the current pressure units.
Query “UCOEF?”
Classic “UCOEF”
Remarks The PPC2+ handles all pressure values internally in Pascal. The coef replied is
equivalent of 1 Pa. This program message allows the user to convert pressures
Example
(enhanced)
Query sent:
Query reply:
“UCOEF?”
“0.0010000000 kPa”
Example
(classic)
Sent:
Reply:
“UCOEF”
“0.0010000000 kPa”
See Also Section 3.2.2
UDU
Purpose Read or set the user defined pressure units.
Command
Query
“UDU label, ucoef”
“UDU?”
Classic “UDU= label, ucoef”
“UDU”
label: User unit Device label (4 alphanumeric char maximum). It cannot be
an already supported unit.
ucoef: “User conversion coefficient (units/Pa).
Default “UDU USER,1.0”
Remarks The user defined unit must be set up with the program message prior to remote or
local selection.
Example
(enhanced)
Cmd Sent:
Query reply:
“UDU MYUN, .001”
“MYUN, 0.0010”
Example
(enhanced)
Sent:
Reply:
“UDU=MYUN, .001”
“MYUN, 0.0010”
See Also Section 3.2.2