Technical data

1 Calibration Procedures
Constant Current (CC) Verifications
16 E3632A Service Guide
Constant Current (CC) Verifications
Constant current test setup
Follow the general setup instructions in the “Measurement
Techniques” on page 8 and the specific instructions given in
the following paragraphs.
Current programming and readback accuracy
This test verifies that the current programming and the
GPIB or RS- 232 readback functions are within specifications.
Note that the readback values over the remote interface
should be identical to those displayed on the front panel.
The accuracy of the current monitoring resistor must be
0.01% or better.
1 Turn off the power supply and connect a 0.01 Ω current
monitoring resistor (R
M
) across the output to be tested
and a digital voltmeter (DVM) across the current
monitoring resistor (R
M
).
2 Turn on the power supply. Select the 15 V/7 A range and
enable the output by sending the commands:
VOLT:RANG P15V
OUTP ON
3 Program the output voltage to full rated voltage (15.0 V)
and output current to zero amp by sending the
commands:
VOLT 15
NOTE
You should program the power supply over the remote interface for this
test to avoid round-off errors.