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106 Verification and Calibration
Verification
General Measurement Techniques
Figure B-1 shows the setup for the tests. Be certain to use load leads of sufficient wire gauge to carry the output current (see
Table 4-1). To avoid noise pickup, use coaxial cable or shielded pairs for the test leads.
Programming the Agilent SAS
Table 7-3 in chapter 7 list the programming voltage and current ranges for each model. Enter the appropriate values from
the front panel. The programming procedures assume you know how to operate the Agilent SAS from the front panel (see
chapter 5 - Front Panel Operation).
Order of Tests
Perform the following tests for operation verification. Test 1 must be done first, followed by Tests 2 and 3 in any order.
1 Turn-on Checkout
2 Voltage Programming and Readback Accuracy
3 Current Programming and Readback Accuracy
Turn-on Checkout
Perform the Turn-on Checkout as directed in chapter 3 - Turn-on Checkout.
Note The Agilent SAS must pass turn-on selftest before you can proceed with these tests.
Voltage Programming and Readback Accuracy
This test verifies that the voltage programming, GPIB readback, and front panel display functions are within specifications.
Figure B-1 shows the setup for the tests. Measure the dc output voltage directly at the sense connections of the output
terminals or bus bars. Connect the output as shown.
Table B-2. Voltage Programming and Readback Accuracy Tests
Action Normal Result
1 Turn off the Agilent SAS and connect a DVM across the
sense terminals (see Figure B-1(1)).
2 Turn on the Agilent SAS with no load and program the
output for 0 volts and maximum programmable current.
CV annunciator on. Output current near 0.
3 Record voltage readings of voltmeter (V
DVM
) and front
panel display readback (V
FP
) in Table B-4.
Readings within Low Voltage limits (see Table B-4 for
either Agilent E4350B or Agilent E4351B).
4 Program voltage to full scale (either 60 V or 120 V).
5 Record voltage readings of voltmeter (V
DVM
) and front
panel display readback (V
FP
) in Table B-4.
Readings within High voltage limits (see Table B-4 for
either Agilent E4350B or Agilent E4351B).