Our Programmable DC Power Supply Unit with Digital Display provides high-level performance for businesses, thanks to its microprocessor-controlled accuracy. This high-tech device can regulate voltages from 0V to 1500V with a precision of 1mV, currents from 0A to 100A, and a regulation accuracy of ±0.01% + 3mV, which is very good. The high-definition TFT LCD screen lets you see all the factors at the same time. You have full control over automated testing settings with scores of 92% or higher for efficiency and 99% or higher for power factor. You can also choose from USB, RS-232, and Ethernet as interfaces. Our N+1 modular redundancy design makes sure that the system keeps running even if one element fails.
You're working with equipment that demands consistent, repeatable power delivery. Our product eliminates the guesswork from your testing procedures.
This precision instrument provides regulated direct current output with user-configurable parameters. The digital interface shows you exactly what's happening in real-time.
No more manual adjustments. No more human error in repetitive testing.
The microprocessor-based control system gives you programming capabilities through standard interfaces. You can integrate it seamlessly into your automated test equipment.

| Parameter | Specification |
|---|---|
| Voltage Range | 0-30V to 0-1500V |
| Voltage Resolution | 1mV |
| Current Range | 0-1A to 0-100A |
| Current Resolution | 1mA |
| Voltage Accuracy | ±0.01% + 3mV |
| Current Accuracy | ±0.02% + 3mA |
| Load Regulation | <0.01% + 2mV |
| Line Regulation | ±0.01% + 1mV |
| Efficiency | ≥92% |
| Power Factor | ≥0.99 |
| Response Time | <100ms |
| Slew Rate Control | Up to 999.9V/s |
| Display Type | 4.3-7 inch TFT LCD |
| Display Resolution | 480x272 to 1024x600 |
| Ripple & Noise | <1mVrms, <3mVpp |
| Memory Storage | Up to 100 parameter sets |
| Communication Interfaces | USB, RS-232, Ethernet, GPIB |
| Operating Temperature | -40°C to +150°C |
Our microprocessor-based control gives you automated battery charging and discharging management. You can monitor and adjust parameters remotely.
The "remote telemetry, remote signaling, remote control, and remote adjustment" functions enable unattended operation. Your facility runs smoothly even when staff isn't on-site.
The N+1 modular redundancy design means one component failure won't shut down your entire system. Your production continues without interruption.
This design philosophy extends throughout the unit. Every circuit includes protection against over-voltage, over-current, and over-temperature conditions.
Repeatability within ±0.005% ensures your test results remain consistent. You'll get the same performance today, tomorrow, and next year.
Calibration traceability to NIST standards gives you documentation for compliance requirements. Annual recertification maintains accuracy specifications.
We've integrated multiple protection layers into every unit:
Your unit operates reliably in challenging environments. IEC 61000-4-3 certification provides immunity to 10V/m radiated electromagnetic fields.
The robust design withstands factory floor conditions including vibration, humidity up to 95% RH, and electromagnetic interference from nearby equipment.

You're characterizing ICs across extreme temperature ranges. Our power supply maintains ±0.01% accuracy during 1000-hour accelerated aging tests.
Wafer-level reliability testing requires precise bias voltages. The stable operation under electromagnetic interference ensures your parametric analysis remains accurate.
Automotive component validation teams use multiple synchronized units for power rail simulation. Compliance with ISO 16750-3 standards is built into the design.
Production line testing of high-power LED arrays demands current-controlled operation. You get constant current regulation within ±0.1%.
Automated optical test systems integrate these supplies for luminosity characterization. The units operate continuously with <0.001% drift specifications.
Your batch production runs maintain consistency. The 24/7 operation capability supports around-the-clock manufacturing schedules.
Laboratory development of lithium-ion charging algorithms requires programmable voltage profiles with precision current limiting.
The ripple specification <2mVpp and noise floor <500µVrms enable accurate electrochemical impedance spectroscopy measurements.
Environmental testing chambers subject your samples to extreme conditions. Our units maintain calibrated accuracy for renewable energy storage system development.

We implement strict, comprehensive quality management across all production stages. From raw material procurement through final delivery, every step follows rigorous monitoring protocols.
The "zero defects" philosophy integrates into every detail of our manufacturing process. We operate according to ISO9001 quality management system standards.
Our quality inspection laboratory includes:
Your equipment meets global standards:

We provide calibration certificates demonstrating traceability chain to national standards. Measurement uncertainty calculations follow ISO 17025 requirements.
Annual calibration maintains your accuracy specifications. Premium support packages include semi-annual verification for critical applications.
With 15 senior engineers, over 30 intermediate technicians, and 17 senior technicians, we provide expert support for your unique requirements.
Our team holds 18 patents in power supply technology. This innovation translates directly into product reliability and performance.
We operate over 120 sets of advanced machinery including:
These production processes undergo continuous optimization. You receive equipment built with cutting-edge manufacturing techniques.

Every industry faces unique challenges. We provide tailored products and complete power solutions meeting your specific requirements.
Whether you need special voltage ranges, custom communication protocols, or environmental hardening, our engineering team develops solutions matched to your Programmable DC Power Supply Unit with Digital Display application.
Q1: What programming accuracy can I expect for automated test sequences?
When programming, the accuracy stays within ±0.01% + 3mV for voltage settings and ±0.02% + 3mA for current settings. We make sure of this by using NIST-traceable testing procedures that are done every year in line with ISO 17025 standards. Resolution is based on the type of DAC used; 16-bit systems offer 1mV steps over 30V ranges.
Q2: How do I verify displayed values match actual output under varying load conditions?
Use precise electronic loads for load control tests and accurate 6.5-digit DMMs for tracking. As shown in the IEC 61010-2-030 verification procedures, the acceptable variation stays within ±0.01% + 2mV across the 0-100% load range. We suggest that important applications be checked every three months.
Q3: What's the maximum ripple specification for sensitive analog circuit testing?
When tested with a 20MHz monitor, premium units say they have <1mVrms ripple and <3mVpp noise. For precise op-amp characterisation according to IEEE 1057 standards, critical applications may need extra external filtering to get to <100µVrms. For advice on filters, please contact our tech team.
Q4: How often should I recalibrate the unit for measurement traceability?
Calibration is done once a year to keep accuracy standards, but for important uses, it may need to be checked every six months. When used in the right setting, calibration drift for voltage usually stays within ±0.005% per year and for current it stays within ±0.01%. We offer testing services that come with official proof.
Q5: Can these units operate reliably in industrial environments with EMI interference?
Units certified per IEC 61000-4-3 provide immunity to 10V/m radiated fields. IEC 61000-4-4 compliance ensures 2kV burst immunity. Proper grounding and shielded cables maintain accuracy within ±0.02% in typical industrial environments. We offer on-site EMC testing protocols for verification.
Q6: What's the typical lifespan and MTBF rating?
The modular design extends operational lifespan beyond 50,000 hours with proper maintenance. Mean Time Between Failures (MTBF) exceeds 100,000 hours under rated conditions. Preventive maintenance schedules and spare module availability ensure minimal downtime throughout the product lifecycle.
Q7: Do you provide programming examples and integration support?
Yes, we supply comprehensive SCPI command documentation, LabVIEW drivers, and Python libraries. Our technical support team assists with integration into existing test frameworks. Remote connectivity options enable troubleshooting and parameter optimization during commissioning.
Over 20 years of industry experience backs every unit we manufacture. We've delivered solutions for hundreds of key projects across municipal, commercial, and industrial sectors.
Our clients include:
These projects demonstrate our capability to deliver high-quality solutions on schedule.

We don't just sell equipment. You get comprehensive support including:
Our business philosophy prioritizes your success. We invest continuously in R&D to develop pragmatic, innovative solutions.
Customer interests come first. Whether you need standard units or customized configurations, we deliver products matched to your requirements.
Ready to improve your testing capabilities with a Programmable DC Power Supply Unit with Digital Display? Reach out to discuss your requirements: tuojie@electricinchina.com. We'll provide expert guidance for your application.







