3
Signametrics
TABLE OF CONTENTS
1.0 INTRODUCTION .................................................................................................................................................6
1.1
S
AFETY
C
ONSIDERATIONS
..........................................................................................................................6
1.2
M
INIMUM
R
EQUIREMENTS
.........................................................................................................................6
1.3
F
EATURE
S
ET
.............................................................................................................................................6
2.0 SPECIFICATIONS ...............................................................................................................................................7
2.1
DC
V
OLTAGE
M
EASUREMENT
...................................................................................................................7
2.2
DC
C
URRENT
M
EASUREMENT
....................................................................................................................8
2.3
R
ESISTANCE
M
EASUREMENTS
....................................................................................................................8
2.3.1 2-wire .......................................................................................................................................8
2.3.2 4-wire .......................................................................................................................................8
2.4
AC
V
OLTAGE
M
EASUREMENTS
..................................................................................................................8
2.4.1 AC Voltage True RMS Measurement .......................................................................................9
2.4.2 AC Volts Accuracy ...................................................................................................................9
2.5
AC
C
URRENT
M
EASUREMENT
,
T
RUE
RMS ..............................................................................................10
2.6
D
IODE
T
EST
F
UNCTION
............................................................................................................................10
2.7
M
EASUREMENT
R
ATES
C
ONTROL
............................................................................................................11
2.8
A
CCURACY
N
OTES
...................................................................................................................................11
2.9
O
THER
S
PECIFICATIONS
...........................................................................................................................12
2.10
A
CCESSORIES
.........................................................................................................................................13
3.0 GETTING STARTED.........................................................................................................................................14
3.1
S
ETTING THE
DMM..................................................................................................................................14
3.2
I
NSTALLING THE
S
OFTWARE
.....................................................................................................................14
3.3
I
NSTALLING THE
DMM
M
ODULE
.............................................................................................................14
3.4
C
ALIBRATION
F
ILE
...................................................................................................................................14
3.5
DMM
I
NPUT
T
ERMINALS
.........................................................................................................................15
3.6
DMM
R
EAR
P
ANEL
..................................................................................................................................15
3.7
S
TARTING THE
C
ONTROL
P
ANEL
..............................................................................................................16
3.8
U
SING THE
C
ONTROL
P
ANEL
....................................................................................................................16
4.0 DMM OPERATION AND MEASUREMENT TUTORIAL...........................................................................18
4.1
V
OLTAGE
M
EASUREMENT
........................................................................................................................18
4.1.1 DC Voltage Measurements ....................................................................................................18
4.1.2 True RMS AC Voltage Measurements ...................................................................................18
4.2
C
URRENT
M
EASUREMENTS
......................................................................................................................18
4.2.1 Improving DC Current Measurements ..................................................................................19
4.3
R
ESISTANCE
M
EASUREMENTS
..................................................................................................................19
4.3.1 2-Wire Ohm Measurements ...................................................................................................19
4.3.2 4-Wire Ohm Measurements ...................................................................................................19
4.3.3 Effects of Thermo-Voltaic Offset............................................................................................20
4.4
D
IODE
C
HARACTERIZATION
.....................................................................................................................20
5.0 WINDOWS INTERFACE..................................................................................................................................21
5.1
D
ISTRIBUTION
F
ILES
................................................................................................................................21
5.2
U
SING THE
SMU2060
D
RIVER
S
ET
W
ITH
C++
OR
S
IMILAR
S
OFTWARE
...................................................22
5.3
V
ISUAL
B
ASIC
F
RONT
P
ANEL
A
PPLICATION
.............................................................................................23
5.3.1 Visual Basic Simple Application ............................................................................................23
5.4
W
INDOWS
DLL
D
EFAULT
M
ODES AND
P
ARAMETERS
..............................................................................24
5.5
U
SING THE
DLL
WITH
L
AB
W
INDOWS
/CVI
...........................................................................................24
5.6
W
INDOWS
C
OMMAND
L
ANGUAGE
...........................................................................................................24
DMMCalibrate................................................................................................................................25
DMMCleanRelay ............................................................................................................................25
DMMClearMinMax ........................................................................................................................26
