DH Instruments PPCK PLUS, Operation And Maintenance Manual

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PPCK+™ Operation and Maintenance Manual
©2001 DH Instruments, Inc .
Page 102
UCOEF
Purpose To convert 1 Pascal to the current pressure units.
Query “UCOEF?”
Classic “UCOEF”
Remarks The PPCK+ 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 7.2.1, 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 3.2.2, 3.4.3