Features: LED Digital Tube HD Display: Using LED digital tube high-definition display, providing users with rich functions, simple operation of the human-machine interface. Various Protection Functions: DH series provides over-temperature (OTP) over-voltage (OVP) over-current (OCP) reverse polarity protection, can be set through the panel or the host computer operation of the power supply output over-temperature/over-voltage/over-current protection point. Low Noise and Ripple: Low ripple and low noise, stable data, ensure work efficiency, is a reliable power supply equipment model for engineers. Wide Range of Applications: Used in the field of testing, aging, LED drive, industrial control, solar regulation, battery charging, etc. Specifications: Plug: EU / US / UK (Optional) Material: ABS Model: DH-3010 AC Input: Signal phase 220V/110V ±10% Frequency 50Hz/60Hz Output Voltage: 0-30V Current Output: 0-10A Output Power: 300W Power Supply Stability: ≤0.02%+5mV Load Stability Ratio: ≤0.1%+5mV Ripplerms (1-20KHz): 12mVrms Backward Resolution Ratio: Voltage 10mV Current 10mA Read Back Precision: Voltage 0.1%+3 digital Current 0.1%+3 digital Setpoint Accuracy: 0.1%+3 digital Output Over-voltage Protection: Menu Setting for OVP Protection: The protective value can be set arbitrarily. After protection is triggered, the output will be turned off. Output Over-current Protection: Menu Setting for OCP Protection: The protective value can be set arbitrarily. After protection is triggered, the output will be turned off. Voltage Setting: Voltage encoder setting or memory key input Current Setting: Current encoder setting or memory key input Control Interface (Optional): RS-232 (Support modbus SCPI Protocol) Function: Constant Voltage/Constant Current; Foldback Current Protection; Dual Preset Voltage and Current; Key Lock Output Polarity: The positive (+) and negative (-) outputs can be grounded arbitrarily Operating Environment: Designed for indoor use, temperature: 0& 8451; to 40& 8451;; humidity: 10 to 85 per cent RH Storage Environment: temperature: -20& 8451;~70& 8451;; humidity: 10%~90%RH Item Size: 186 * 54 * 125mm / 7.32 * 2.12 * 4.92in Item Weight: 972g / 2.14lb Package Weight: 1329g / 2.92lb Package Size: 25 * 21 * 9cm / 9.84 * 8.26 * 3.54in Package List: 1 * DC Power Supply 1 * Power Cord 1 * Alligator Clip Lead 1 * User Manual (English)