Operator`s manual

Signametrics 96
Remarks This function should be used carefully since it modifies the capacitance function basic
asurement pa ges value, iAverage, and the number of points
sampled, iSamples. This function is provided only for cases where it is necessary to
improve measu cy
specification provided for capacitance is not guaranteed. Also, modifying these values
could have prof ge
is change, these values are set to the default values. For instance, values of 1 and 3 for
les will reduce measurement time on the 12nF range from 0.8s to
about 50ms.
Parameter
me rameters; the avera
rement speed. When using this function keep in mind that the accura
ound efect on the operation of the function. Any time a capacitance ran
iAverage, and iSamp
Type/Description
nDmm
int Identifies the DMM. DMMs are numbered starting with zero.
iAverage
int The average value, must be set between 1 and 100.
iSamples
eturn Value The return value is one of the following constants.
int The number of samples must be set to at least 3.
R
Value Meaning
DMM_OKAY
Negativ
xample
DMMSetCJTemp
Description
Remarks Set the cold junction temperature for subsequent thermocouple measurements. When
asuring temp ocouples it is necessary to establish a reference or
cold junction temperature. This is the temperature at which the thermocouple wires are
connected to th s by
simply entering this value using DMMSetCJTemp() function. dTemp must be entered
using the curren
Parameter
Valid return.
e Value
Error code
int status = DMMSetCapsAveSamp(0,1,3); E
SM2040 ; SM2042 ; SM2044 ;
Set cold junction temperature for thermocouple measurement.
#include "sm204032.h"
int DMMSetCJTemp(int nDmm, double dTemp)
me erature using therm
e DMM or to the switching card’s cooper wires. One way to do this i
tly set temperature units.
Type/Description
nDmm
int Identifies the DMM. DMMs are numbered starting with zero.
dTemp
double The cold junction temperature. Must be set between 0
o
C and
r the corresponding
o
F.
eturn Value
Value
50
o
C o
R The return value is one of the following constants.
Meaning
DMM_OKAY
Operation successfully terminated