Krohn Hite 523

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The Krohn-Hite Model 523 Precision DC Source is a highly stable and repeatable dc voltage source and dc current source providing N.I.S.T. traceable voltages and currents for use in production, calibration labs, QA and QC departments, design labs, or any place where an accurate voltage and current source is needed.Using Krohn-Hite’s state-of-the-art reference, the 523 provides accurate and stable voltages from ±10nVdc to ±110.99999Vdc to within ±4ppm for 90 days (±8ppm for 1 year), and precise currents from ±10nA to ±110.99999mA to within ±8ppm for 90 days (±16ppm for 1 year). It is an extremely quiet source with lt;7 Vrms of noise measured over a 10Hz to 100kHz bandwidth (lt;2 Vrms 0.1Hz to 10Hz).The 523 features a user friendly 7½ digit display and a membrane keyboard entry of all settings. Output settings can be modified using a plus/minus delta function, multiply/divide function and curser control keys that allow placing a curser on any digit to increment or decrement its value. Output 2-wire, 4-wire and chassis grounding are accomplished with one keystroke or over the GPIB interface bus. A crowbar function places the output in
Refurbished