UNI-T UDP6721 Programmable Switching DC Power Supply
The UNI‑T UDP6721 is a single‑output, programmable switching DC power supply providing 0–60 V and 0–8 A (180 W) with fully digital control. Its compact chassis (87 × 174 × 255 mm) houses a high‑definition 2.8″ TFT LCD and a rotary encoder plus dedicated keys for rapid voltage and current adjustment. Remote‑sense terminals (S+, S–) compensate for lead‑line losses, ensuring precise load voltages over long cables.
The unit interfaces via RS‑232 using SCPI commands for seamless integration into automated test systems, and includes upper‑computer software for real‑time monitoring, logging, and trend analysis. Protection mechanisms adjustable over‑voltage, over‑current, and over‑temperature thresholds automatically disable output upon fault. Intelligent fan control adjusts cooling airflow to minimize noise and extend component life. Advanced List and Delayer modes allow programming up to 48 sequence steps for time‑based or on/off cycling, while three memory banks (M1–M3) each store 200 presets (600 total) for one‑touch recall.
With low ripple and noise, fine 10 mV/1 mA resolution, and software calibration, the UDP6721 balances versatility, precision, and reliability in a cost‑effective bench-top instrument ideal for R&D, production, and maintenance environments.
Features:
- Fully digital control.
- High resolution: 10 mV / 1 mA.
- Low ripple (< 2.0 mV rms) and noise (< 8.0 mA rms).
- Software calibration/correction.
- Compact dimensions (87 × 174 × 255 mm).
- 2.8″ TFT LCD display.
- Remote‑sense compensation terminals.
- RS‑232 communication with SCPI support.
- Intelligent fan regulation.
- Constant‑voltage and constant‑current modes.
- Protections: adjustable OVP, OCP, OTP.
- List & Delayer sequence functions (48 steps).
- Output on/off control switch.
- Three memory banks (M1–M3) storing 200 presets each (600 total).
- High performance‑to‑cost ratio.
Specifications:
| Parameter | UDP6721 |
|---|---|
| Output Range: | 0 – 60 V, 0 – 8 A, 180 W |
| Load Regulation: | Voltage: < 0.01%+5 mVCurrent: < 0.01%+5 mA |
| Line Regulation: | Voltage: < 0.01%+5 mVCurrent: < 0.1%+5 mA |
| Programming Accuracy: | Voltage: < 0.05%+10 mVCurrent: < 0.3%+5 mA |
| Read‑back Accuracy: | Voltage: < 0.05%+10 mVCurrent: < 0.3%+5 mA |
| Ripple & Noise: | Voltage: < 5.0 mV rmsCurrent: < 8.0 mA rms |
| Resolution: | Voltage: 10 mVCurrent: 1 mA |
| Temperature Coefficient: | Voltage: ≤ 100 ppm/°CCurrent: ≤ 200 ppm/°C |
| Display: | 2.8″ LCD, 4‑digit |
| Dimensions (W × H × D): | 87 × 174 × 255 mm |
| Weight: | < 2.5 kg |
| Interface: | RS‑232, Remote compensation |
| AC Input: | 110/220 V ±10%, 50/60 Hz |
Applications:
- Laboratory Testing.
- Production Line Testing.
- Education and Training.
- R&D and Engineering Design.
- Automated Test Systems.
- Electronic Maintenance and Repair.
Package Contents:
- 1x Instrument (UDP6721 main unit)
- 1x 3‑core power cord (destination‑compatible)
- 1x Spare fuse (250 V / 5 A for UDP6721)
- 1x User’s Manual & Upper‑computer software (electronic download)
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