Low Current Meter & Picoammeter Systems

Keithley’s 5½-digit Model 6517B Electrometer/High Resistance Meter offers accuracy and sensitivity specifications unmatched by any other meter of this type. Italso offers a variety of features that simplifies measuring high resistances and the resistivity of insulating materials. With reading rates of up to 425 readings/ second, the Model 6517B is also significantly faster than competitive electrometers, so it offers a quick, easy way to measure low-level currents.

  • Measures resistances up to 1016Ω
  • 1fA – 20mA current measurement range
  • <20µV burden voltage on lowest current ranges
  • 200TΩ input impedance
  • <3fA bias current
  • Up to 425 rdgs/s
  • 0.75fA p-p noise
  • Built-in ±1kV voltage source
  • Unique voltage reversal method for high resistance measurements


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