RIGOL Chapter 2 Specifications Test
DL3000 Performance Verification Manual
current setting value is a low value.
a) Power on DL3031A. Send the following commands via the remote
interface to set the current of the input channel, and then enable the
channel input.
/*Sets the current range of the electronic
load to 60 A.*/
/*Sets the input current of the electronic
load to 8 A.*/
/*Enables the channel input.*/
b) Turn on the digital multimeter. Select the DC voltage (DCV)
measurement function and set the range to "Auto". Make sure that the
electronic load works in CC mode. Read the digital multimeter and
record the reading (U
1
) of the digital multimeter. Calculate the current
value (I
1
= U
1
/R
M
).
c) Send the :MEAS:CURR? command via the remote interface, read and
record the returned current value (I
2
) of the query command.
d) Calculate the CC programming accuracy (|I
1
- I
L
|) and the CC readback
accuracy (|I
2
- I
1
|). Compare them with the specified specifications in
Table 2-4. Wherein, I
L
is the low current value of the input channel.
(2) Measure the CC programming accuracy and readback accuracy when the
current setting value is a rated value.
a) Power on DL3031A. Send the following commands via the remote
interface to set the current of the input channel, and then enable the
channel input.
/*Sets the current range of the
electronic load to 60 A.*/
/*Sets the input current of the
electronic load to 60 A.*/
/*Enables the channel input.*/
b) Turn on the digital multimeter. Select the DC voltage (DCV)
measurement function and set the range to "Auto". Make sure that the
electronic load works in CC mode. Read the digital multimeter and
record the reading (U
2
) of the digital multimeter. Calculate the current
value (I
3
= U
2
/R
M
).
c) Send the :MEAS:CURR? command via the remote interface, read and
record the returned current value (I
4
) of the query command.
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