Operator`s manual

63 Signametrics
nDmm
ntifies the DMM. DMMs are numbered starting with zero.
o a buffer (at least 64 characters long) to hold the
result. The return value will consist of a leading sign a floating-point,
Value
int Ide
lpszDB
LPCSTR Points t
and a ‘dB’ units specifier
Return Value Integer string length if successful, or an error code..
Meaning
Negative Value
Error code
Example char cBuf[64]; int strLength = DMMGetdBStr(0, cBuf);
DMMGetCJTemp
SM2042 ;
scription Retrieve the currently set cold junction temperature.
#include "sm204032.h"
int DMMGetCJTemp(int nDmm, double *lpdTemp)
rrenly set cold juncion temperature. For more details see DMMSetCJTemp()
Parameter
SM2040 ; SM2044 ;
De
Rem cu
function.
arks Get the
Type/Description
nDmm
int Identifies the DMM. DMMs are
numbered starting with zero.
e location to hold the temperature.
lue ts.
lpdTemp
double * Points to th
Return Va The return value is one of the following constan
Value Meaning
DMM_OKAY
Negative Value
Error code.
DMMGet
DMMGetDeviation
SM2040 ; SM 4 ;
Description ent deviat reading at the time relative was activated.
int DMMGetDeviation(int nDmm, double *lpdDev)
ion returns a double floating value that is the percent deviation relative to the
just before the relative function was activated. This function is useful in
quantifying measurement errors. It can be used for bandwidth measurements or DC
n of a device under test over temperature.
Parame
Operation successfully terminated
Example CJTemp(0, &temp);
2042 ; SM204
Get perc ion from the
#include "sm204032.h"
Rem
reading made
arks This funct
evaluation, or percent variatio
ter
Type/Description