RIGOL Chapter 2 Specifications Test
DL3000 Performance Verification Manual
CR Programming Accuracy
Preparations
Before performing the test, select the appropriate AC voltage via the "AC Selector"
on the rear panel of the electronic load according to the AC voltage standard of your
country (230 Vac is taken as an example in all the tests in this manual). At room
temperature (25℃), connect the recommended devices specified in
"Recommended Test Devices" according to the connection method in Figure 2-3.
During the test process, please set the AC voltage according to the selected voltage
in "AC Selector" on the rear panel of the electronic load.
In the CR tests, a current sampling resistor (required to be calibrated) should be
serially connected between the DC power supply and the electronic load. It is used to
convert the current signal under test to the voltage signal for the measurement of
related parameters.
DL3000
DC Power
Supply
AC Power
Supply
+ -
-+
R
M
Digital Multimeter/
Digital Oscilloscope/
RMS Voltmeter
+
-
Digital Multimeter/
Digital Oscilloscope/
RMS Voltmeter
+
-
Figure 2-3 CR Test Connection
Note: In case of large current input, please use Sense terminal to compensate the
voltage drop on the lead of the load.
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