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U2741A User's Guide
Removing test lead resistance errors
To eliminate offset errors associated with the test lead
resistance in 2- wire ohms measurements, follow the steps
below.
6 Short the tips of the test leads. The reading is the test
lead resistance.
7 Click Null. The digital multimeter stores the test lead
resistance as the 2- wire resistance null value and the
digital multimeter will subtract this value from the value
of subsequent measurements.
Minimizing power dissipation effects
When measuring resistors designed for temperature
measurements (or other resistive devices with large
temperature coefficients), be aware that the digital
multimeter will dissipate some power in the device under
test.
Measurement Tutorial
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