Instek GPS Series                                            GPS-SERIES (DIGITAL TYPE)                  GPS-3030DD (DIGITAL TYPE) FEATURES:   Light and Compact Design 0.01% High Regulation Constant Voltage and Constant Current Operation Series or Parallel Operation Function Remote Control by External Voltage Internal Select for Continuous or Dynamic Load Low Ripple and Noise Overload and Reverse Polarity Protection           Data Sheet   User Manual          SPECIFICATIONS            CONSTANT             VOLTAGE            OPERATION Regulation Line regulation < 0.01% + 3mV Load regulation < 0.01% + 3mV (rating current < 3A)                         < 0.02% + 5mV (rating current > 3A) Ripple & Noise < 0.5mVrms 5Hz ~ 1MHz (rating current < 3A) < 1mVrms 5Hz ~ 1MHz (rating current > 3A) Recovery Time < 100µS (50% Load change, Minimum load 0.5A) Temp. Coefficient < 300ppm/°C  Output Range 0 to rating voltage continuously adjustable            CONSTANT             CURRENT            OPERATION Regulation Line regulation < 0.2% + 3mA Load regulation < 0.2% + 3mA Ripple Current < 3mArms Output Range 0 to rating amperes continuously adjustable (Hi / Lo range switchable)            METER Analog V-meter and I-meter each one 2.5 class Dimension 50 x 50 mm Digital 3 1/2 digits 0.5" LED display 3 1/2 digits 0.39" LED display (for GPS-3030DD) Accuracy + (0.5% of rdg + 2 digits)            INSULATION Chassis and Terminal 20MΩ or above ( DC 500V ) Chassis and AC Cord 30MΩ or above ( DC 500V )            POWER SOURCE AC 100V/120V/220V/240V+10%, 50/60Hz             ACCESSORIES Instruction manual x 1, Power cord x 1 Test lead GTL-105 x 1 (<3A) or GTL-104 x 1 (<10A)            DIMENSIONS 128(W) x 145(H) x 285(D) mm            SELECTION GUIDE     Model Output Volts (V) Output Amps (A)   Digital GPS-1830D 0 ~ 18 0 ~ 3 GPS-1850D 0 ~ 18 0 ~ 5 GPS-3030D 0 ~ 30 0 ~ 3 GPS-3030DD 0 ~ 30 0 ~ 3