Instek GPR-M Series   GPR-M Series (Digital Type) FEATURES :    0.01% High Regulation Constant Voltage and Constant Current Operation Internal Select for Continuous or Dynamic Load Low Ripple and Noise Overload and Reverse Polarity Protection 3 1/2 Digits 0.5" LED Display  Data Sheet   User Manual       SPECIFICATIONS      CONSTANT VOLTAGE      OPERATION Regulation Line regulation < 0.01% + 3mV Load regulation < 0.01% + 5mV ( < 10A)                         < 0.02% + 5mV ( > 10A) Ripple & Noise < 1mVrms 5Hz ~ 1MHz Recovery Time < 100µS (50% Load change, Minimum load 0.5A) 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      METER Analog V-meter and I-meter each one 2.5 class Dimension 60 x 80 mm Digital 3 1/2 digits 0.5" LED display 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 255(W) x 145(H) x 335(D) mm         SELECTION GUIDE 　 Model Output Volts (V) Output Amps (A) Digital GPR-1810HD 0 ~ 18 0 ~ 10 GPR-3060D 0 ~ 30 0 ~ 6 GPR-6030D 0 ~ 60 0 ~ 3