Agilent 34970A/34972A Data Acquisition / Switch Unit
Agilent 34970A/34972A Data Acquisition / Switch Unit
Agilent 34970A/34972A Data Acquisition / Switch Unit
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Chapter 4 Calibration Procedures<br />
Internal DMM Verification Tests<br />
Internal DMM Verification Tests<br />
These procedures use inputs connected to a 34901A 20-Channel<br />
Multiplexer (see page 76) installed in slot 200.<br />
Zero Offset Verification<br />
This procedure is used to check the zero offset performance of the<br />
internal DMM. Verification checks are only performed for those<br />
functions and ranges with unique offset calibration constants.<br />
Measurements are checked for each function and range as described in<br />
the procedure below.<br />
Zero Offset Verification Procedure<br />
1 Make sure you have read “Test Considerations” on page 81.<br />
2 This procedure will measure the shorts installed on Channels 209 and<br />
219. Leave the Amps input connections (Channel 221) open.<br />
4<br />
Continued on next page...<br />
85
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