Signametrics
78
Return Value
Integer error co
de.
Value Meaning
ration successfully completed.
DMM_OKAY
Ope
Negativ
Example
int status = DMMOpenCalACCaps(0);
DMMOpenTerminalCal
SMX2040
SM
2044
Description
s.
Remarks
This function characterizes the Inductance measurement path and source, which is
required prior to making inductance measurements. It should be performed within one
hour, before using the inductance measurements. For better accuracy it should be
performed more frequently. The Open Terminal calibration should be performed with the
test leads open. The
DMMOpenTerminalCal
sweeps the inductance stimulus source
across the full bandwidth, and makes measurements at several points. It takes about
twenty seconds to complete the process. For a complete characterization of the
Inductance measurement system it is also necessary to perform the inductance zero
operation with the inductance range and frequency selected, using the Relative function
and with the probes shorted.
Parameter
e Value
Error code
X2042
SMX
;
Calibrate the Inductance measurement function with open terminal
#include "sm204032.h"
int
DMMOpenTerminalCal
(
int nDmm
)
Type/Description
nDmm
int
Identifies the DMM. DMMs are numbered starting with zero.
Return Value
Integer error code.
Value Meaning
DMM_OKAY
Operation successfully completed.
Negative Value
Error code
Example
int status = DMMOpenterminalCal(0);
DMMPeriodStr
SMX2040
SMX2042
;
SMX2044
;
Description
Return the next DMM period reading, formatted for printing.
#include "sm204032.h"
int DMMPeriodStr
(
int
nDmm, LPSTR
lpszReading
)
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