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©
National Instruments Corporation
23
NI 4070/4072 Calibration Procedure
Figure 2.
Cable Connections for 4-Wire Resistance
3.
Wait two minutes for the thermal EMF to stabilize if the Fluke 5440
cables were not previously connected in this configuration.
4.
Call
niDMM_reset
.
1
NI 4070/4072
2
Fluke 5700A/5720A Calibrator
3
Fluke 5440 Cables
Table 8.
Fluke 5440 Cable Connections
Fluke 5440
Cable Identification
Banana Plug
Connector
(NI 4070/4072)
Banana Plug Color
(Fluke 5440 Cable)
Binding Post
(Fluke 5700A/5720A
Calibrator)
First cable
HI
Red
OUTPUT HI
LO
Black
OUTPUT LO
(No connection)
Blue
V GUARD
Second cable
HI SENSE
Red
SENSE HI
LO SENSE
Black
SENSE LO
(No connection)
Blue
V GUARD
HI
LO
3
00V
MAX
HI
LO
AUX
I/O
1A, 250V
MAX
3
00V
MAX
5V
MAX
AMPS
INPUT
SENSE
W 4W
6
ス
-Digit FlexDMM
CAT II
V
W
HI
LO
HI
LO
HI
SENSE
V
Ω
OUTPUT
V
Ω
A
AUX
CURRENT
GUARD
GROUND
1
2
3