Product descriptionThis Instek GPR-H series single-output linear DC power supply unit provides a constant source of DC voltage and current for powering and testing electronic devices. The power supply unit (PSU) has one output that provides adjustable DC voltage up to the rating voltage and current up to the rating current. Potentiometer knobs on the unit's front panel allow for fine and coarse adjustment of the voltage and current output. A digital LED screen shows voltage and current readings and is readable in low light. The PSU features continuous or dynamic internal load selection for applications such as pulsed current. Two units can be connected in series to provide more voltage. A power cord with a three-prong plug is included for connecting the PSU to a grounded outlet, and a test lead is included for testing applications. A built-in cooling fan helps prevent overheating, and overload protection and reverse polarity protection help prevent damage to the PSU and the device under test. This Instek GPR-H series power supply is offered with a choice of rating voltage and current.SpecificationsNumber of outputs: 1Load regulation, + or – (percent of output + offset): Less than or equal to 0.01% of voltage reading + 5mV (millivolts) when rating current is less than 10 amp; less than or equal to 0.02% of voltage reading + 5mV when rating current is greater than or equal to 10 amp; less than or equal to 0.2% of current reading + 5mA (milliamp)Line regulation, + or – (percent of output + offset): Less than or equal to 0.01% of voltage reading + 3mV; less than or equal to 0.2% of current reading + 3mAMeter accuracy: + or – (0.5% of reading + 2 digits)Recovery time: Less than or equal to 100 μs (microseconds) following a 50% load change with a minimum load of 0.5 ampRipple and noise: Less than or equal to 1mV RMS (root mean square) at 5Hz to 1 MHzRipple current: Less than or equal to 5mA RMS at rating current of less than or equal to 20 amp; less than or equal to 10mA RMS at rating current of less than or equal to 30 amp; less than or equal to 20mA RMS at rating current of less than or equal to 50 ampPower requirements: 100V, 120V, 220V, 240VAC, + or – 10%, at 50 to 60HzStandards met: European Conformity (CE) marking
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