5520A
Service Manual
3-36
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.
Table 3-20. Verification Tests for DC Voltage (AUX Output)
Range Output Lower Limit Upper Limit
329.999 mV 0.000 mV -0.350 mV 0.350 mV
329.999 mV 329.000 mV 328.551 mV 329.449 mV
329.999 mV -329.000 mV -329.449 mV -328.551 mV
3.29999 V 0.33000 V 0.32955 V 0.33045 V
3.29999 V 3.29000 V 3.28866 V 3.29134 V
3.29999 V -3.29000 V -3.29134 V -3.28866 V
7.0000 V 7.0000 V 6.9976 V 7.0025 V
7.0000 V -7.0000 V -7.0025 V -6.9976 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.
Table 3-21. Shunt Values for DC Current Calibration and Verification
Range of Verification Points Shunt
± (0 to 329.000 µA) Fluke 742A-1k 1k Ω Resistance Standard
± (1.9 mA to 3.29000 mA) Fluke 742A-100 100 Ω Resistance Standard
± (19.0000 mA to 32.9000 mA) Fluke 742A-10 10 Ω Resistance Standard
± (190.000 mA to 329.000 mA) Fluke 742A-1 1 Ω Resistance Standard
± (1.09000 A) Guildline 9230 0.1 Ω Shunt
± (2.00000 A to 20.0000 A) Guildline 9230 0.01 Ω Shunt
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