ISO-Tech laboratory DC power supply, model # IPS2303D, serial # 9471842,
Independent, isolated DC outputs,4 x 3 digit LED displays, selectable for 2 sets of output voltage and current displays simultaneously, auto series, parallel and tracking operation, constant voltage and current operation, low ripple and noise ,overload and reverse polarity protection, selectable for continuous/dynamic load, output enable/disable control, fan speed control circuit minimizes fan noise.