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Measurement | Taking Measurements
• Connect the test leads close to the DUT.
Because this product measures using a four-terminal AC measurement method
can be made with the resistance (no more than 2 Ω to 3 Ω) of the test leads removed. To further reduce
the resistance from the tip of the test leads to the DUT, connect the test leads as close to the DUT as
possible. In particular, for the 3 mΩ and 30 mΩ resistance measurement ranges, errors may occur
depending on where on the DUT the clips or probes are connected.
For example, by measuring as close to the DUT as possible as shown in "c" in the following figure, the
sole internal resistance r1 of the DUT can be measured accurately. With the measurement method
marked "d" in the following figure, not only the internal resistance r1 of the DUT is measured but also
the resistances r2 and r3 between the SENSE test leads and the DUT.
c
A
Zero adjustment
To reduce the errors that occur depending on the product and measurement environment, perform zero
adjustment before starting measurements. If you use test leads other than those provided as options,
make them twisted pairs
1
Short the ends of the test leads connected to the SOURCE HIGH and LOW connec-
tors.
2
Short the ends of the test leads connected to the SENSE HIGH and LOW connec-
tors.
3
Short the leads of Step 1 and Step 2 .
4
Press 0 ADJ (SHIFT+MEASURE).
A zero adjustment menu appears.
If you want to close the menu without making changes to the settings, press ESCAPE.
20
User's Manual
SOURCE HIGH
r3
SENSE HIGH
r1
DUT
V
SENSE LOW
r2
SOURCE LOW
(p.
87).
d
SOURCE HIGH
SENSE HIGH
r3
r1
DUT
A
V
r2
SENSE LOW
SOURCE LOW
(p.
88), measurements
BIM1000 Series
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