The Shenzhen Mastech HY-3002D-3 is a precision linear DC power supply engineered for laboratory, research, and advanced hobbyist applications requiring stable, clean power delivery. It provides continuously adjustable output from 0 to 30V DC at 0 to 2A, with independent digital voltage and current displays for real-time monitoring. Dual independent regulation modes maintain exceptional stability: load regulation in constant voltage mode is ≤0.01% + 3mV, while constant current mode achieves ≤0.1% + 10mA. Line regulation performance mirrors this precision at ≤0.01% + 3mV (CV) and ≤0.2% + 10mA (CC). Ultra-low output ripple of ≤1mVrms and ≤5mArms ensures operation of sensitive circuits without noise-induced artifacts.
Technical Specifications
Electrical Performance
• Output Voltage: 0–30V DC, continuously adjustable
• Output Current: 0–2A, continuously adjustable
• Load Regulation (CV): ≤0.01% + 3mV
• Load Regulation (CC): ≤0.1% + 10mA
• Line Regulation (CV): ≤0.01% + 3mV
• Line Regulation (CC): ≤0.2% + 10mA
• RMS Ripple Voltage: ≤1mVrms
• RMS Ripple Current: ≤5mArms
• Display Accuracy: ±1% (typical)
Environmental
• Operating Temperature: 0°C to 40°C
• Storage Temperature: -10°C to 70°C
• Humidity: <80% RH
– Key Features
• Overload protection and reverse polarity protection for circuit safety
• Dual digital displays for simultaneous voltage and current readout
• Color-coded binding posts for positive, negative, and ground connections
• Forced air cooling for sustained high-current operation
• Metal chassis construction for thermal management and mechanical durability
– Typical Applications
• Educational electronics laboratories and student circuit prototyping
• Research and development of sensitive analog and digital circuits
• Product testing, debugging, and power condition simulation
• Electronic assembly, repair, and troubleshooting workflows
– Compatibility & Integration
Secure binding post terminals accommodate standard test leads and laboratory wiring. The compact benchtop form factor integrates into existing workstation setups without requiring dedicated infrastructure.












