HP 3400B, Руководство пользователя и сервисное руководство

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Chapter 2 Calibration Procedures
Operation Verification
Proced ures
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Operation Verification Procedures
The procedures in this section
are
used to provide a high level of
confidence that the voltmeter is meeting published specifications.
The Operation Verification test is a subset of the Performance
Verification tests and is suitable for checkout after performing repair.
The
Operation Verification test is performed by completing a partial
range/frequency response test as described later in the Performance
Verification test procedures. This test verifies the voltmeter's frequency
response on the 1 volt range at full scale input levels. The signal
measured for this test is a dc voltage taken at the rear-panel dc output
jack. This voltage is normalized to -1 Vdc and is proportional to the
RMS input voltage (-1 Vdc corresponds to a full-scale meter deflection).
HP 34008 Calibrator Calibrator DC Outpul
Range
. Output Voltage Output Frequency
(DMM Reading)
1 V 1 V 10 Hz -1.05 V to �.95 V
1 V 1 V
so
Hz -1.0075 V to �.9925 V
1 V 1 V 1 MHz -1.0075 V to �. 9925 V
1 V
1 V
2 MHz -l.02 V to �. 98 V
1 V 1 V 3 MHz -1.03 V to �.97 V
1 V 1 V 20 MHz -1.05 V to �.95 V
1 HP 3400B: Select the 1 volt range.
2
Calibrator: Select a 1 volt ac signal at 10 Hz (use the "Wideband"
output on the Fluke 5700A).
3
External Multimeter: Select the 10 Vdc range with 5\.2 digits of
resolution.
4 Verify that the de voltage measured at the rear-panel de output
jack is within the limits shown in the table above.
5
Continue checking the dc output as you adjust the calibrator's
output voltage and frequency to each of the remaining values
shown in the table above.
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