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2
Verification and Performance Tests
Introduction
This document contains test procedures to verify that the dc power supply is operating normally and is within
published specifications. There are three types of tests as follows:
Built-in Self Tests
These tests, run automatically when the power supply is turned on, check most
of the digital circuits and the programming and readback DACs.
Operation Verification
These tests verify that the power supply is probably operating normally but do
not check all of the specified operating parameters.
Performance Tests
These tests check that the supply meets all of the operating specifications as
listed in the Operating Manual.
NOTE: The dc power supply must pass the built-in self-tests before calibration or any of the verification
or performance tests can be performed. If the supply fails any of the tests or if abnormal test results
are obtained, refer to the troubleshooting procedures in Chapter 3. The troubleshooting procedures
will determine if repair and/or calibration is required.
Test Equipment Required
Table 2-1 lists the equipment required to perform the verification and performance tests. A test record sheet with
specification limits and measurement uncertainties (when test using the recommended test equipment) may be found
at the back of this section.
WARNING: SHOCK HAZARD. These tests should only be performed by qualified personnel. During the
performance of these tests, hazardous voltages may be present at the output of the supply.
Table 2-1. Test Equipment Required for Verification and Performance Tests
Type Specifications Recommended Model
Current Monitor
Resistor
15 A (0.1 ohm) 0.04%,
for power supplies up to 15 A output
Guildline 9230/15
DC Power Supply 5 V, 10 A Agilent 6642A, 6653A
Digital Voltmeter Resolution: 10 nV @ 1V
Readout: 8 1/2 digits
Accuracy: 20 ppm
Agilent 3458A or equivalent
Electronic Load 20 V, 5 A minimum, with transient capability Agilent 6060B or equivalent
GPIB Controller HP Series 300 or other controller with full
GPIB capabilities