Internal Dmm Verification Tests; Zero Offset Verification - Agilent Technologies 34970A Service Manual

Chapter 4 Calibration Procedures

Internal DMM Verification Tests

Internal DMM Verification Tests
These procedures use inputs connected to a 34901A 20-Channel
Multiplexer (see page 66) installed in slot 200.

Zero Offset Verification

This procedure is used to check the zero offset performance of the
internal DMM. Verification checks are only performed for those
functions and ranges with unique offset calibration constants.
Measurements are checked for each function and range as described
in the procedure below.
Zero Offset Verification Procedure
Make sure you have read "Test Considerations" on page 71.
1
This procedure will measure the shorts installed on Channels 209
2
and 219. Leave the Amps input connections (Channel 221) open.
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