KEITHLEY6517A electrometer

Exceptional Performance Specifications

 The half-rack-sized Model 6517A has a special low current input amplifier with an input bias current of <3fA with just 0.75fA p-p (peak-to-peak) noise and <20µV burden voltage on the lowest range. The input impedance for voltage and resistance measurements is 200TΩ for near-ideal circuit loading. These specifications ensure the accuracy and sensitivity needed for accurate low current and high-impedance voltage, resistance, and charge measurements in areas of research such as physics, optics, nanotechnology, and materials science. A built-in ±1kV voltage source with sweep capability simplifies performing leakage, breakdown, and resistance testing, as well as volume (Ω-cm) and surface resistivity (Ω/square) measurements on insulating materials. 

Features:

•  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 125 rdgs/s 

      • 0.75fA p-p noise 

      • Built-in ±1kV voltage source 

      • Unique voltage reversal method for high resistance measurements

      • Optional plug-in scanner cards

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