[{"description":"Regulated DC power supply with high performance and high precision. It can be widely used in production line test, electrical maintenance, aging products, battery charging, laboratories, scientific research and teaching and many other areas.\n\n\n\nFeatures:\n\nProfessional regulated DC power supply with high quality and stability.\n\nCurrent and voltage are adjustable continuously, coarse and fine knobs for precise adjustment.\n\nInput voltage is switchable(AC110V/AC220V) through the switch on the back of the instrument.\n\nConstant voltage and constant current mode.\n\nDual LED display of voltage and current.\n\nHighly efficient, low ripple, small volume.\n\nApplied in production line test, electrical maintenance, aging products, battery charging, laboratories, scientific research and teaching and many other areas.\n\n\n\nSpecifications:\n\nOutput: 0-30V,0-3A / 0-30V,0-5A(optional)\n\nDisplay: Dual LED, 3 Digits / 4 Digits(optional)\n\nPlug Type: US / EU(optional)\n\nVoltage Resolution: 10mV(4-digit) / 100mV(3-digit)\n\nCurrent Resolution: 1mA(4-digit) / 10mA(3-digit)\n\nInput Voltage: AC110V/220V ±10% (Voltage setting switch is on the back of the power supply)\n\nRipple and Noise: <=1mVrms\n\nTemperature Coefficient: 300ppm/°C(CV);500ppm/°C(CC)\n\nWorking Temperature: 0-40°C\n\nItem Size: 10 * 22 * 15.5cm / 3.94 * 8.66 * 6.10in\n\nItem Weight: Approx.2.7kg / 97oz\n\nPackage Size: 28 * 16 * 21cm / 11.02 * 6.30 * 8.27in\n\nPackage Weight: Approx.3.2kg / 113oz\n\n\n\nPackage List:\n\n1 * DC Power Supply\n\n1 * Power Line\n\n1 * User Manual"}]