Verifying Dc Volts (Aux Output); Verifying Dc Current - Fluke 5520A Service Manual

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5520A
Service Manual

3-20. Verifying DC Volts (AUX Output)

Verify that the 5520A performance is within the limits in Table 3-20, using the same
equipment and techniques specified previously for calibration.
Range
329.999 mV
329.999 mV
329.999 mV
3.29999 V
3.29999 V
3.29999 V
7.0000 V
7.0000 V

3-21. Verifying DC Current

Verify that the 5520A performance is within the limits in Table 3-22, using the same
equipment and techniques specified previously for calibration. Use the shunt values listed
in Table 3-21.
Range of Verification Points
(0 to 329.000 A)
(1.9 mA to 3.29000 mA)
(19.0000 mA to 32.9000 mA)
(190.000 mA to 329.000 mA)
(1.09000 A)
(2.00000 A to 20.0000 A)
3-36
Table 3-20. Verification Tests for DC Voltage (AUX Output)
Output
0.000 mV
329.000 mV
-329.000 mV
0.33000 V
3.29000 V
-3.29000 V
7.0000 V
-7.0000 V
Table 3-21. Shunt Values for DC Current Calibration and Verification
Lower Limit
-0.350 mV
328.551 mV
-329.449 mV
0.32955 V
3.28866 V
-3.29134 V
6.9976 V
-7.0025 V
Shunt
Fluke 742A-1k 1k
Resistance Standard
Fluke 742A-100 100
Resistance Standard
Fluke 742A-10 10
Resistance Standard
Fluke 742A-1 1
Resistance Standard
Guildline 9230 0.1
Shunt
Guildline 9230 0.01
Shunt
Upper Limit
0.350 mV
329.449 mV
-328.551 mV
0.33045 V
3.29134 V
-3.28866 V
7.0025 V
-6.9976 V

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