1 Getting Started Tutorial
34 Keysight U3402A User’s and Service Guide
Making Measurements
The following pages show you how to make measurement connections and how
to select measurement functions from the front panel for each of the
measurement functions.
Performing voltage measurements
– After measuring a high voltage measurement of up to 1000 VDC, you are
recommended to wait for approximate two minutes before measuring a
low-level measurement with 1 to 10 µV resolutions.
– After measuring a high current measurement using the A input terminal, you
are recommended to wait for approximate ten minutes before measuring a
low-level DC measurements of volts, amperes, or ohms; to achieve accurate
measurement. This is due to the thermal voltages generated during the high
current measurements that may cause errors when measuring the low-level
measurements.
Exceeding the crest factor limit may result in an incorrect or a lower reading.
Do not exceed the crest factor limit to avoid instrument damage and the risk
of electric shock.
Ensure that the terminal connections are connected correctly before making
any measurement. To avoid damaging the multimeter, do not exceed the
rated input limit.
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