Keithley 604

Keithley 604

Electrometer

The Keithley 604 is a used Electrometer.

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Refurbished

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The Keithley 604 Differential Electrometer Amplifier is a completely solid-state instrument that can be used by itself single-endedly or differentially either as an amplifier or a millivoltmeter. The Amplifier has selectable gains of 10 to 104 in 1x and 3.33x steps corresponding to the VOLTS Switch settings of 1 to .001.

  • Zero Stability
  • Operates Over a Bandwidth From DC to 50 kHz or Greater
  • Input Resistance Greater Than 1014 Ohms Shunted by Less Than 5 Picofarads
  • All Outputs Are Short-Circuit Proof