CH9720 Programmable DC Electronic Load Instructions Chapter III Menu Operation
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Step 1:
Select the discharge mode, press the
【
ENT
】
key to select constant current or
constant resistance;
Step 2:
Set the discharge current and cutoff voltage, press the number directly and
press the
【
ENT
】
key to confirm;
Step 3:
Press the button to enter the test. At this time, the load enters the discharge
mode. Press the start button to start the operation. The screen displays the discharge
voltage, current, power, resistance, capacity, and discharge time parameters. Press the icon
button after the discharge to display the battery real-time discharge curve.
Hint: The discharge parameter can be saved into the U disk in real time. Insert the U
disk in the test state, press the
【
SAVE
】
key to select the data. At this time, all
the discharge data will be recorded into the U disk, and the discharge curve
can be saved in the image storage mode.
Hint: The chart can only be displayed after the discharge is finished. At this time,
you can press the chart key to enter the entire discharge curve.
3.2.6 Dynamic Test Page
、
Dynamic testing allows the load to be switched between two voltages or currents. This
feature can be used to test the dynamics of the power supply.
Dynamic testing is set up and tested as follows:
Step 1:
Select the load type for dynamic test, press
【
ENT
】
to select constant current or
constant voltage
Step 2:
Select the load dynamic mode, press the number directly and press the
【
ENT
】
key to confirm;
Continuous:The load is automatically converted after a delay of the
corresponding time;
Trigger: The pulse width does not work and the load switches under the action
of the trigger signal.
Pulsation: The load works with A value. After triggering, it converts to B value,
delays B pulse width and then converts to A value;
Step 3:
Set the value of point A. After entering the load A menu,type the number directly
and press
【
ENT
】
to confirm.The unit depends on the load type as A or V.
Step 4:
Set the pulse width of point A. After entering the pulse width A menu, type the
number directly and press
【
ENT
】
to confirm, the unit is 1ms.
Step 5:
Set the B point value and the B point pulse width in turn.
Step 6:
Set the edges AB and BA, set the time from the load value of point A to the load