Verification and Performance Tests 5
Performance Verification Tests
U3606A User’s and Service Guide 157
Gain verification test
This test checks the full- scale reading accuracy of the instrument.
Verification checks are performed only for those functions and ranges with
unique gain calibration constants.
DC voltage gain verification test
1 Connect the calibrator to the front panel V (red) and LO (black) input
terminals (see Figure 5- 2 on page 147).
2 Press to select the DC voltage function. The DC annunciator will
be illuminated.
3 Select each range in the order shown below. Provide the indicated input
voltage. Compare the measurement results to the appropriate test limits
shown in Table 5- 3. (Be certain to allow for appropriate source settling
when using the Fluke 5520A.)
Table 5 - 3 DC voltage gain verification test
Input voltage Range Error from nominal 1 year
100 mV 100 mV ±0.033 mV
1 V 1 V ±0.0003 V
10 V 10 V ±0.003 V
100 V 100 V ±0.03 V
1000 V 1000 V ±0.3 V
Set the calibrator output to 0 V before disconnecting from the
instrument input terminals.
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