This series includes three models, with the minimum resolution of 1mV/1mA and four independent programmable outputs, and the total output power is 240W, 285W or 400W. For more voltage or current output, CH2&CH3 can internally be connected in series or in parallel by one button click.
The included 4-wire remote voltage compensation sense function can compensate voltage to ensure the stability and accuracy of the voltage at the device under test.
The SPD4000X series power supply is intended for device testing, and can be widely used in power electronics, manufacturing, wireless communications or consumer electronics applications. The series adds higher power, flexibility, accuracy, and a fourth channel without occupying more space to the company’s line of linear DC power supplies.
The SPD4000X supports five-digit voltage and five-digit current display with improved setting and read back resolution of 1mV/1mA. Four output channels can be independently controlled but also turned on or off simultaneously.
Series and parallel functions allow two channels combined into one output with more power output capability. For example, SPD4306X can output 60V/6A, when the outputs are serialised, and SPD4121X can output 12V/20A when outputs are parallelised. Furthermore, CH2 and CH3 can use the included 4 wire sense mode, which can automatically compensate for the voltage drop of the positive and negative output lines, ensuring that the voltage at the remote device to be tested is equal to the set voltage of the power supply. It can realise the maximum compensation voltage of 0.6V in high precision test or long cable test. Output response time is the time required for the voltage to return to the set range when the load current suddenly changes.
The SPD4000X series achieves a fast output response time of < 50us, enabling fast compensation for output voltage changes.
By editing the single-step setting value and duration, the list function can generate multiple sequences to meet complex test requirements. Users can edit the sequence by 50 steps, with 8 sets of built-in list sequence files. Voltage, Current, Time, etc. can be set directly in each List, making it suitable in simulating a variety of voltage and current states such as sudden rise and fall, interruption.
For complex waveforms which are difficult to edit, List sequence files can be imported via USB to improve test setup efficiency. List time accuracy <50 ms, setting resolution 1 ms, with fast voltage rise/fall time and very short voltage change time can meet the user's fine requirements for pulse voltage testing.
The SPD4000X series is equipped with a 4.3-inch true colour TFT-LCD display. Four channels of voltage and current waveform run chart can be set, users can observe the waveform run chart through the colours corresponding to the channels to understand the output status of the four channels.
The series allows users to save multiple types of files to local or external memory for later recall. It supports saving of output voltage/current values, independent/series/parallel output mode, and can take a screen shot by long pressing the Save/Recall key in any state, which is very beneficial for capturing dynamic test conditions.
The power supply includes USB and LAN communication interfaces as standard and a USB-GPIB converter module as optional. The embedded Web Server enables control and monitor of the power supply directly from a web browser, eliminating the need to install software drivers or applications.
