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NI 4070/4072 Calibration Procedure
30
ni.com
Verifying DC Current
To verify the DC current of the NI 4070/4072, complete the following
steps:
1.
Reset the calibrator.
2.
Fasten the connectors on one end of the Fluke 5440 cable to the
NI 4070/4072
HI SENSE
and
LO
banana plug connectors, and connect
the connectors on the other end of the cable to the
HI
and
LO
calibrator
binding posts. Figure 4 shows the correct connections. Table 11 lists
the cable connections.
Figure 4.
Cable Connections for Current
3.
Call
niDMM_reset
to reset the NI 4070/4072 to a known state.
4.
Set the current output on the calibrator to NORM and output 0 A.
1
NI 4070/4072
2
Fluke 5700A/5720A Calibrator
3
Fluke 5440 Cable
Table 11.
Fluke 5440 Cable Connections
Banana Plug Connector
(NI 4070/4072)
Banana Plug Color
(Fluke 5440 Cable)
Binding Post
(Fluke 5700A/5720A Calibrator)
HI SENSE
Red
OUTPUT HI
LO
Black
OUTPUT 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