Uni-T UTP3305-II Laboratory Power Supply

The Uni-T UTP3305-II is a high-precision, triple-output laboratory power supply designed for professional electronics labs, repair workshops, and educational institutions. With two adjustable channels (0-30V/0-5A) and one fixed 5V/3A channel, it offers versatile power for a wide range of applications. The unit features low ripple and noise, overload and reverse polarity protection, and a fan-cooled design for reliable operation.

Advantages

High accuracy and stability with voltage regulation ≤0.01%+3mV and current regulation ≤0.1%+5mA. Independent or tracking (series/parallel) modes for flexible output configurations. Clear LED displays for voltage and current monitoring. Robust protection features ensure safety for connected devices.

Suitable for

• Electronics testing and development
• Circuit prototyping and repair
• Battery charging and simulation
• Educational laboratories

Key specifications

• Number of Channels: 3 (2 adjustable, 1 fixed)
• Adjustable Output Voltage (CH1/CH2): 0-30V DC
• Adjustable Output Current (CH1/CH2): 0-5A DC
• Fixed Output Voltage (CH3): 5V DC
• Fixed Output Current (CH3): 3A DC
• Display Type: LED (4-digit voltage, 3-digit current)
• Voltage Regulation (CV): ≤0.01% + 3mV
• Current Regulation (CC): ≤0.1% + 5mA
• Ripple & Noise (Voltage): ≤1mVrms
• Ripple & Noise (Current): ≤3mArms
• Load Regulation (Voltage): ≤0.01% + 3mV (10%-100% load)
• Load Regulation (Current): ≤0.1% + 5mA (10%-100% load)
• Tracking Mode: Series and Parallel (for CH1/CH2)
• Protection Features: Overload, Reverse Polarity, Over Temperature
• Input Voltage: AC 110V/220V ±5% (switchable)
• Input Frequency: 50Hz/60Hz
• Output Resolution (Voltage): 10mV
• Output Resolution (Current): 1mA
• Operating Temperature: 0°C to 40°C
• Cooling: Fan-cooled

Recommendations

For optimal performance, use with appropriate test leads and ensure proper ventilation. The power supply is ideal for professionals and hobbyists requiring reliable and precise power.