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The Keithley 6517 A Electrometer/High Resistance Meter offers accuracy and sensitivity specifications no other electrometer can match, so it's ideal for use in physics, optics, and materials science. Its extremely low voltage burden makes it particularly appropriate for solar cell work. With speeds of up to 125 readings per second and a built-in 1kV source, the 6517 A is a popular choice for quality control, product engineering, and production test applications involving leakage, breakdown, and high-resistance testing. Its voltage reversal method is particularly useful for making volume and surface resistivity measurements on nonconductive materials. Specifications. Measures resistances up to 10^17 Ohms. 100aA to 20mA current measurement range. <20µV burden voltage on lowest current ranges. 200TOhms input impedance. <2fA bias current. Up to 125 readings/s. 0.75fA p-p noise. Built-in ±1kV voltage source
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