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Programable DC Electronic Load User Manual

OVP, Short Circuit, Time and more, as shown in Table 4-2.

Table 4-2 Introduction of More Modes

More modes Description

Dynamic

Two different voltage/current values are set. The load will switch between

these two values when testing.

List

Up to 16-step different loading modes can be set. It can customize the

stepping mode and the upper and lower limits of test and judgment, and

have the function of saving and memorizing for each group of test modes.

Dual

Two constant test modes combine to form a dual on-load mode, including

CR+CC, CV+CR and CV+CC.

OCP/OPP

Set the overload current/power/voltage value to identify whether the

protection function of the tested object is normal. The load continuously

increases the set load value during the test, and detects the value of the

tested object when performing the protection function.

CR-LED

The test mode is for LED power supply, which can simulate the operating

parameters (voltage/current and LED coefficient) to measure the

performance of LED power supply.

Battery

Discharge the measured battery by CC/CR/CP mode. The test will end

automatically when reaching the ending value. The battery capacity and the

discharge graph will also be display.

Load effect

Load according to three different loads of the set value to calculate ΔV and

Reg (load regulation).

OVP

Set the overload current/power/voltage value to identify whether the

protection function of the tested object is normal. The load continuously

increases the set load value during the test, and detects the value of the

tested object when performing the protection function.

Short circuit

A short-circuited circuit will be simulated in input terminal to test if the

protection function of measured object can work normally when its output

terminal is short-circuited.

Time

For the start/drop time test of the switching power supply, set the start value

and end value of the load. After the voltage of the tested object is stabilized,

the time it takes for the process to rise to the stable voltage is detected.

4.2.1 Dynamic Mode

UTL8500X series electronic load has two dynamic loading modes: CC and CV. In the

dynamic mode, users can set two fixed-value parameters for corresponding constant state

Brand	UNI-T
Model	UTL8500X Series
Category	Measuring Instruments
Language	English

UNI-T UTL8500X Series User Manual

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UNI-T UTL8500X Series Specifications

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