?This DC power supply is a single set of output£¬ high precision double display switch dc power supply. The machines have complete operating protection function£¬ with high performance£¬ low ripple£¬ high stability£¬ light weight and small volume etc. Current limiting protection can make KPS power supply and load against accidental damage. KPS series power supply with low temperature control circuit£¬ and the noise of cooling fan is low. <br> ?? <br> <strong>Features:</strong> <br> Mini but professional switching DC power supply. <br> The DC power supply has complete operating protection function. <br> Highly efficient£¬ low ripple£¬ small volume£¬ light weight. <br> Double LED display of voltage and current£¬ high precision. <br> Voltage stabilization£¬ current limiting£¬ simple operation feature the DC power supply. <br> Dual voltage input and convenient choice. <br> Temperature control fan heat dissipation£¬ low noise. <br> Double potentiometer£¬ more precise adjustment. <br> With replaceable fuse£¬ convenient to change the protective tube. <br> Applied in production line test£¬ electrical maintenance£¬ aging products£¬ battery charging£¬ laboratories scientific research and teaching and all other need DC regulated power supply. <br> ? <br> <strong>Specifications:</strong> <br> Input Voltage: AC 110V£¬60Hz(US) / 220V£¬50Hz(EU) (Optional) <br> Voltage setting switch is at the back. <br> Output Voltage: 0 ¡« 30V? <br> Output Current: 0 ¡« 3A / 5A / 10A (Optional) <br> Plug Type: US / EU (Optional) <br> Voltage Resolution: 0.1V <br> Current Resolution: 0.01A <br> Ripple Voltage: Vpp¡Ü1% <br> Machine Efficiency: ¡Ý89£¥ <br> Power Effect: CV¡Ü1%+10mV <br> Effect of Load: CV¡Ü1%+10mV <br> Digital Display: 3 LED Digital Display <br> Ripple Noise: ¡Ü1 MV <br> Voltage Display Precision: ¡À1% + 1 digits <br> Current Display Precision: ¡À1% + 2 digits <br> Operating Environment: -10¡«45¡æ/14¡«113¨H Rh¡Ü90% <br> Storage Environment: -20¡«60¡æ/-4¡«140¨H Rh¡Ü80% <br> Item Size: Approx. 80 * 230 * 165mm / 3.1 * 9.1 * 6.5in <br> Item Weight: Approx. 1448.4g / 51.1oz <br> Package Size: Approx. 28.5 * 11.5 * 20cm / 11.2 * 4.5 * 7.9in <br> Package Weight: Approx. 1833g / 64.6oz <br> <img alt="" src="http://www.tomtop.com/uploads/ckeditor/20151203183541760.jpg"> <br> <br> <strong>Caution:</strong><br> Please choose the right input voltage on the back of DC power supply.<br> Incorrect choosing input voltage will damage the machine. <br> <br> <strong>Package Lists:</strong> <br> 1 * DC Power Supply <br> 1 * Power Cord <br> 1 * Output Line <br> 1 * Instruction Book? <br> <img itemprop="image" title="Switching Display 3 Digits LED 0-30V 3A/5A/10A Mini DC Power Supply Precision Variable Adjustable AC 110V/220V 50/60Hz" alt="Switching Display 3 Digits LED 0-30V 3A/5A/10A Mini DC Power Supply Precision Variable Adjustable AC 110V/220V 50/60Hz" src="http://www.tomtop.com/img/p/gu1/E/U/E1190-10EU/E1190-10EU-1-753b-Z5es.jpg">