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Current measurements
Although the Model 2000-SCAN is not intended for direct current measurements, on-card
shunt resistors can be installed for channels 1 and 6 to allow for indirect current measurements.
Figure 3-4
shows the typical configuration for current measurements. Refer to
Section 2
of this
manual for specific information on recommended shunt resistors and their installation.
The current through each shunt resistor can be calculated as follows:
Where: I = current being determined
V = voltage measured by multimeter
R = shunt resistance value
Instead of manually calculating current, set up a Model 2000/2001/2002 mX + b math
calculation function. (Here, m = 1/R and b = 0.). The multimeter will then display the actual
current value. Refer to the multimeter Manuals for details on using math functions.
DUTs (2)
V
A. Test Configuration
B. Simplified Equivalent Circuit
DMM
2000-SCAN
DUT
Out A
DMM Rear Panel
(Model 2001/2002)
A
A
A
HI
LO
User-installed
Shunts
User-installed
Shunt
CH 1
CH 6
2000-SCAN
Figure 3-4
Connections for current
measurements
Operation
3-19
Содержание 2000-Scan
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Страница 17: ...2 CardConnections andInstallation CardConnec tionsandInstal lation ...
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