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NICE-POWER R-SPS2003 Variable DC Power Supply
for Power Management Circuit Evaluation, 0-200V
0-3A 600W
Power management circuit development requires a suitable DC source for applying operating voltage, powering prototype boards, and checking circuit behavior during engineering evaluation. The NICE-POWER R-SPS2003 variable DC power supply delivers an adjustable 0–200V output, up to 3A output current, and 600W rated power for compatible power management circuits and laboratory test setups.
Designed for bench-based engineering work, the R-SPS2003 lets users set output conditions manually and monitor voltage, current, and power on the unit's digital displays. This makes it useful when preparing a circuit for power-up, checking its response to a selected supply condition, or comparing supply readings between development stages.
The R-SPS2003 is the standard model, while the R-SPS2003-R is the programmable version. USB, RS232, and RS485 communication interfaces are optional configurations. Check the specific model and interface options when placing an order.
Key Features
Wide Voltage Adjustment for Power Circuit Evaluation
With an adjustable output from 0 to 200V DC, the R-SPS2003 can supply compatible power management circuits that require different DC input levels. Engineers can select a suitable voltage for each test setup instead of relying on a fixed-voltage adapter.
Always confirm the circuit's permitted input range before applying power, and keep the output within the supply's voltage, current, and power ratings.
600W Output Capacity for Engineering Test Benches
The combination of up to 200V, 3A, and 600W supports a variety of compatible power management boards, control circuits, and power electronics prototypes. The actual available output current depends on the selected voltage and the 600W power limit.
This capacity makes the unit a practical DC source for engineering benches where different circuit designs need to be powered during development.
Readable Output Values During Board Verification
Digital voltage and current displays, together with power indication, give engineers a direct view of the power supply's output conditions. During board verification, these readings can help users notice changes in the supplied voltage, current draw, or output power.
The display reports power supply output values; it does not independently diagnose circuit faults or measure a board's internal electrical parameters.
Controlled Output Activation During Power-Up
The Output ON/OFF control lets users enable or disable the supply output while preparing a test arrangement. This is useful when checking connections, setting the intended output, and organizing a controlled power-up procedure for a prototype board.
Switch the output off before changing wiring, and follow the test circuit's safety procedures.
Manual Adjustment for Different Test Setups
The encoder knob supports manual adjustment of output settings for different power management circuit requirements. Engineers can use it to establish the required DC supply condition for a particular board or development stage.
Automatic test sequences, programmed voltage sweeps, and waveform generation are not claimed as standard functions.
Two Output Locations for Bench Integration
Front-panel and rear-panel output terminals provide connection options for different bench arrangements. The front-panel output is intended for currents below 5A, while the rear-panel output supports full-rated-power operation.
Choose the terminal and wiring appropriate to the intended load and test setup.
Selectable Standard and Programmable Versions
The R-SPS2003 provides standard manual operation. For applications requiring programmable operation, the R-SPS2003-R is the corresponding programmable version.
USB, RS232, and RS485 communication interfaces are optional. Their availability should be verified for the exact configuration rather than assumed to be included with every unit.
Applications
Power Management Board Power-Up Verification
Supply compatible power management boards during initial power-up checks. Set an appropriate DC output based on the board's input requirements, then observe the supply's voltage, current, and power readings while checking basic operation.
DC Input Condition Evaluation
Use the variable DC output to provide different input voltage conditions to a compatible power management circuit. Engineers can compare circuit behavior at manually selected supply settings, using external instruments where more detailed measurements are needed.
Power Control Circuit Development
Provide bench power to power control boards and related electronic assemblies during design iterations. The adjustable output supports basic functional checks as engineers assemble, revise, or troubleshoot their circuits.
Power Conversion Research and Laboratory Work
The R-SPS2003 can serve as the DC input source for compatible power conversion experiments and engineering test arrangements. Measurements such as conversion efficiency, switching waveforms, ripple at circuit nodes, or transient response require appropriate external equipment, such as an electronic load, oscilloscope, multimeter, or power meter.
Quality Check and Terms of Service:
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Package includes: DC Power Supply × 1, Output Power Cord × 1, Input Power Cord × 1, User Manual × 1, Warranty Card × 1.
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Has passed CE & FCC Certification.
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All DC power supplies and accessories are inspected before shipment to ensure good quality.
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Customer support: Contact us with any questions, and we'll respond within 24 hours.
Technical Specifications
| Specification |
Details |
| Product Model |
R-SPS2003 / R-SPS2003-R |
| Product Type |
Variable DC Power Supply |
| Rated Output Voltage |
0–200V |
| Rated Output Current |
0–3A |
| Rated Output Power |
600W |
| Voltage Ripple |
≤200mVp-p / ≤20mVrms |
| Current Ripple |
≤20mArms |
| Load Regulation (Voltage) |
≤0.1% + 10mV |
| Load Regulation (Current) |
≤0.1% + 2.5mA |
| Line Regulation (Voltage) |
≤0.01% + 2.5mV |
| Line Regulation (Current) |
≤0.1% + 2.5mA |
| Voltage Setting Resolution |
10mV |
| Current Setting Resolution |
10mA |
| Voltage Readback Resolution |
10mV |
| Current Readback Resolution |
10mA |
| Voltage Setting Accuracy |
≤0.05% + 10mV |
| Current Setting Accuracy |
≤0.01% + 10mA |
| Voltage Readback Accuracy |
≤0.05% + 10mV |
| Current Readback Accuracy |
≤0.01% + 10mA |
| Rise Time (No Load) |
≤150ms |
| Rise Time (Full Load) |
≤200ms |
| Fall Time (No Load) |
≤15s |
| Fall Time (Full Load) |
≤50ms |
| Dynamic Response |
≤20ms |
| Efficiency |
≥85% |
| Operating Temperature |
0–40°C |
| Product Dimensions |
Approx. 26.5 × 18.5 × 8cm |
| Net Weight |
Approx. 2.8kg |
| Package Dimensions |
Approx. 38 × 24.5 × 12.5cm |
| Package Weight |
Approx. 3.3/3.5kg |
Why Choose NICE-POWER R-SPS2003?
For engineers evaluating power management circuits, the NICE-POWER R-SPS2003 offers a broad adjustable voltage range and a 600W-rated DC output in a bench power supply format. Manual output adjustment helps establish the supply conditions needed for board-level verification, while voltage, current, and power indications provide a convenient view of the source output during testing.
Choose the standard R-SPS2003 for conventional manual bench operation or consider the R-SPS2003-R programmable version when programmable control is needed. Optional communication interfaces must be confirmed for the selected configuration.
The R-SPS2003 supplies DC power; it does not replace dedicated circuit-analysis equipment. For in-depth evaluation of power management performance, combine it with suitable measurement instruments and loads.
