XACCU Mastech HY3003D Single-Output DC Power Supply 0-30V 3A Adjustable outputs: 0-30V and 0-3A Line regulation: CV &lt;= 0.01% + 1 mV, CC &lt;= 0.2% + 1 mA Load Regulation: CV &lt;= 0.01% + 3mV, CC &lt;= 0.2% + 3 mA LCD reading accuracy: +/-1% for voltage and +/-2% for curren Protection: constant current and short-circuit protectio