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BIM1000 Series
User’s Manual
19
Measurement
Taking Measurements
Conditions for measuring accurately
To measure accurately, the following conditions must be met.
• The stray capacitance of the test leads is no more than 1 nF.
• The resistance of the test leads is no more than 3 Ω (no more than 2 Ω when the measurement range
is 3 mΩ or 30 mΩ).
• There are no metals or enclosures with grounding properties within 20 cm of the test leads.
• In a four-terminal measurement, if you construct your own test leads, securely connect the end of each
lead to the DUT, as shown in “a” in the following figure.
If you connect as shown in “b” in the following figure, two-terminal measurement will be conducted, and
the measurement accuracy will degrade.
WARNING
Risk of electric shock.
• Before making a measurement, check that the product and the test leads are not
damaged.
• Check that the product’s INPUT terminal and the DUT’s positive and negative
terminals are not exposed.
• Before making a measurement, check that the covering of the test leads are not
torn and that the wires are not broken.
• Do not touch the probes or clips during a measurement and for 1 minute after
measurement completion.
• Do not remove the probes or clips from the DUT for 1 minute after measurement
completion.
a
b
V
DUT
A
SOURCE HIGH
SENSE HIGH
SENSE LOW
SOURCE LOW
V
DUT
A
Summary of Contents for BIM1000 Series
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