Adjustable Dc Stabilized Power Supply Program Switch Four Digit Display Features: Microprocessor (MCU) control, with "chip" to improve efficiency, high efficiency, up to 88% High power density, compact appearance, aluminum shell, low electromagnetic interference Four digit display voltmeter and ammeter, set and display to three decimal places and four digit power meter Low ripple noise, ripple below 30mV peak to peak Lock keys, buttons and output knobs on switches are locked to prevent accidental changes Intelligent protection: output short circuit protection, tracking overvoltage protection (tracking OVP), tracking overcurrent protection (tracking OCP), overtemperature protection,Buzzer alarm function Application field: 1. General test of r&d laboratory 2. Post and telecommunications infrastructure equipment 3. LED lighting test 4. Quality control and quality inspection 5. Motor aging test 6. Scientific and technological research and development 7, automotive electronic circuit test power supply 8. Semiconductor low power test 9. Test mathematical experiments 10.Industrial control and automation Specification: Model:KPS6011 Operating frequency range: 45-65hz Output current range: 0 - 11A Efficiency (220Vac, full load)≥89% Full load input current (220Vac)≤3.35A No - load input current (220Vac)≤180mA Voltmeter accuracy:≤0.3% + 1 bit Ammeter accuracy:≤0.3% + 2 bits Load regulation (0-100%):≤30mV Ripple noise (peak):≤30mV Ripple noise (R.M.S) :≤3mV Setting accuracy:≤0.3% + 10mV Transient response time (50-100% of rated load) :≤1.0ms Constant current state Ripple current noise (peak-peak) :≤30mAp-p Setting accuracy:≤0.3% + 20mA   Package list: 1*Stabilized Power Supply 1 * power cord 1 * instruction 1* product qualification certificate   Note: Please kindly make a note if you need any adapter.