Keysight 6643A Programmable DC Power Supply

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The Keysight 6643A is a 6 Volt, 35 Amp, 200 Watt System power supply from the 664x series of single output, series pass regulated power supplies, with an internal GPIB interface and SCPI programming. These models provide many talker/listener functions including remote programming of voltage and current with feedback of actual measured output values. 16 supplies can be connected to one GPIB interface via a serial link connection.