LCD display DC Power Supply

ITEM MODELSK1731SL(with fixed 5V/3A)input voltage220V±10%frequency50Hz±2Hzoutput voltage0 30Voutput current0 1A/2A/3A/5ADisplayLED digital displayoutputDual-channel adjustable output, in individual, parallel and seriesoperationConstant voltage and current operationProduct dimensions387×260×190mm MAIN TECHNICAL PARAMETERSpecification0 30V 0 1A/2A/3A/5A0 30V 0 10A0 30V 0 20A/30A/40A/50A0 60V 0 1A/2A/3A/5A0 60V 0 10A0 60V 0 20A/30A/40Ainput voltage220V±10% 50Hz±2%stable voltage characteristicpower supply effect≤1×10-4+0.5mV≤5×10-3+5mV≤5×10-3+5mVload effect≤3×10-4+2mV≤2×10-3+10mV≤2×10-3+10mVRipple≤1mVrms≤10mVrms≤30mVrmsstable current characteristicpower supply effect≤3×10-3+2mA≤3×10-3+10mA≤3×10-3+10mAload effect≤5×10-3+5mA≤5×10-3+10mA≤5×10-3+10mARipple≤3mArms≤50mArms≤100mArmsError precisionvoltageError≤±1% display precision≤0.1VcurrentError≤±2% display precision≤0.1VError≤±2% display precision≤0.1VError≤±2% display precision≤0.1VProtectionshort circuit protection, overload protection,overheat protection,currentlimit protection.Reliability10000hoursApplication EnvironmentTemperature:-10 40 relative humidity:≤90%working time8 continuous working for 8 hours