PPC4™ OPERATION AND MAINTENANCE MANUAL
© 2009 DH Instruments, a Fluke Company
Page 158
PCALUNC:IH and PCALUNC:IL
Purpose
Read or set the Q-RPT uncertainty settings used to determine the RPT’s measurement
uncertainty during operation.
Command
Query
“PCALUNC:IH
Reading, Span, Scale, Head, StabAZon, StabAZoff
”
“PCALUNC:IL
Reading, Span, Scale, Head, StabAZon, StabAZoff
”
“PCALUNC:IH?”
“PCALUNC:IL?”
Classic
“PCALUNC:IH=
Reading, Span, Scale, Head, StabAZon, StabAZoff
”
“PCALUNC:IL=
Reading, Span, Scale, Head, StabAZon, StabAZoff
”
“PCALUNC:IH”
“PCALUNC:IL”
Defaults
“PCALUNC:IH
= 0.0080, 0.0024, 30, 0.00, 0.0000, 0.005” (Premium Q-RPT)
“PCALUNC:IH
= 0.0100, 0.0030, 100, 0.00, 0.0000, 0.005”
(Standard Q-RPT)
“PCALUNC:IH = 0.0, 0.015, 30, 0.00, 0.0000, 0.005" (Full Scale Standard Q-RPT)
"PCALUNC:IH = 0.0, 0.015, 10, 0.00, 0.0000, 0.005" (Full Scale Standard Q-RPT BG or G)
“PCALUNC:IL
= 0.0080, 0.0024, 30, 0.00, 0.0000, 0.005” (Premium Q-RPT)
“PCALUNC:IL
= 0.0100, 0.0030, 100, 0.00, 0.0000, 0.005”
(Standard Q-RPT)
"PCALUNC:IL = 0.0, 0.015, 30, 0.00, 0.0000, 0.005" (Full Scale Standard Q-RPT)
"PCALUNC:IL = 0.0, 0.015, 10, 0.00, 0.0000, 0.005" (Full Scale Standard Q-RPT BG or G)
Arguments
Reading:
The % of reading uncertainty component (%).
Span:
The % of range span uncertainty component (%).
Scale:
Head:
The miminum scaling limit (%).
The uncertainty head height in the current head units.
StabAZon:
StabAZoff:
The stability uncertainty component when auto zero is ON.
The stability uncertainty component when auto zero is OFF.
Remarks
Use the PPC4 uncertainty function to obtain a re-time update of delivered, or measured
pressure uncertainty. The uncertainty feature is available for Q-RPTs only.
Example
(enhanced)
Cmd sent:
Query reply:
“PCALUNC:IH=.005, .001, 50, 0, 0, .01”
“0.0050, 0.0010, 50.0, 0.00, 0.0000, 0.0100” (No reply if IEEE-488)
Example
(classic)
Sent:
Reply:
“PCALUNC:IL= .005, .001, 50, 0, 0, .01”
“0.0050, 0.0010, 50.0, 0.00, 0.0000, 0.0100”
Errors
ERR# 6:
One of the arguments is out of range.
See Also
“DISPUNC” command
“HEAD” command
3.2.29, 7.2.7.3
PR
Purpose
Read the next available pressure.
Query
“PR?”
Classic
“PR”
Remarks
The next available pressure value for the active Q-RPT or utility sensor is read in the current
pressure units. The data returned also contains
Ready/Not Ready
information, and the pressure
unit of measure and measurement mode.
The reply field is always 20 characters long. The first 3 characters of the reply are reserved for the
ready status (R or NR). The ready status is described in the “SR” program message. The pressure
value and pressure unit of measure are right justified in this field.
After receiving this program message, the PPC4 replies back with the data after a new pressure
measurement cycle is complete. This can take up to 1.5 seconds.
Example
(enhanced)
Query sent:
Query reply:
“PR?”
“R 1936.72 kPaa”
Example
(classic)
Query sent:
Reply:
“PR”
“R 1936.72 kPaa”
See Also
“PRR”, “QPRR”, “SR”
3.2.3
Summary of Contents for PPC4
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