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4.5 (3 Reviews) | Model: Siglent SDL1020X-E
200W DC150V/30A CC Dynamic Mode 25KHz current rise time range 0.001-2.5A/us; 1mV/1mA;3.5' TFT-LCD; RS232/USB/LAN/GPIB
Your Price: $499.00
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Siglent SDL1000X/E programmable DC electronic loads feature a 3.5-inch TFT-LCD display, a user-friendly interface, and superb performance specifications. The series delivers stability over a wide range of applications and can meet many types of testing requirements including battery and handheld device design, LED lighting, automotive electronics, aerospace, and much more. The SDL1000X/E series consists of four models. The chart below provides a brief overview of each.
The SDL features four operating modes to provide flexible test capabilities. In CC mode, the electronic load will sink a constant current, regardless of the voltage at its terminals. In CV mode, the electronic load will cause a constant voltage to appear at its terminals. In CR mode, the electronic load will behave as a fixed resistance value. As shown in the figure, the electronic load will linearly change the current according to the input voltage. In CP mode, the electronic load will cause a constant power to be dissipated in the load.
The transient test allows switching between two different load values. A common application is to test the dynamic characteristics of a DC source or DUT (Device-Under- Test). The transient test function enables the load to periodically switch between two set levels (Level A and Level B). The highest frequency can be set to 25 kHz in CC mode. The highest frequency can be set to 12.5 kHz in CP modes.
You can generate complex load sequences quickly using the list operation function. Here you can edit the setpoints, dwell time, and slew rate for each step in the test. Please note, the slew rate can only be edited in CC mode.
In CC/CV/CR/CW mode, when a load is connected to a power supply, it will cause a large voltage-drop on the connection lines between the tested instrument and terminals of load. Using remote sense, you can measure the voltage at the DUTs input terminals, effectively removing the additional error due to the voltage drop in the connection wires.
In the program (auto-test) mode, you can generate a sequence of tests using different modes, mode parameters, and durations. This function is useful for automatically executing a set of tests on a device then display whether the tests passed or failed. Test results are easily viewed by pressing the up and down buttons. The load provides 8 nonvolatile registers to save the auto-test file for recall later. Each file contains 1-50 steps to set up. Auto-test function is especially useful in designing battery charging circuitry.
The SDL1000X can also provide insight into battery performance by analyzing the discharge characteristics of the DUT. The SDL features three-stop conditions for the discharge test: Voltage, capacity, or time. The discharge process is immediately terminated if the stop conditions are met. This provides more control over the test termination and an extra layer of safety during critical tests. Throughout the test process the battery voltage, discharge current, discharge time, and discharged capability are displayed clearly on the LCD panel.
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Out of 5
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Recommend to a Friend
As advertised
4.0
The order came quickly and in the week we have had it, it works as expected.
Engineer on Dec 04, 2023 I found this helpful (0)
Should have gotten this years ago
5.0
No more kludging a serial/parallel handful of resistors for me! Works great. Well put together (see Defpom's video teardown on youtube). Altogether happy with it.
Verified Purchase Rich Webb on Nov 25, 2021 I found this helpful (0)
Very impressed
This is a great product and meets all of it specifications nicely. I checked the voltage and current measurements with my Keysight DMM and all of the measurements were spot on. The user interface is nice, the color screen is highly readable from any direction. I am most impressed by the 2.5A/usec slew rate for dynamic testing - and this unit meets those specs! I bought a cheap no-name brand electronic load that claimed a ~25 usec rise/fall time and it didn't even come close. I returned that unit for this one and I am delighted that I did. This unit is SOOOO much easier to use with a nice user interface and it works as specified. Another benefit is the fan - it stays completely silent until it warms up enough that it is needed and then it slowly ramps up. Very nice!
Mike O on Apr 27, 2021 I found this helpful (2)