Keithley's 5-1/2 digit 6517A Electrometer/High Resistance Meter offers accuracy and sensitivity specifications. It also offers a variety of features that simplify measuring high resistances and the resistivity of insulating materials. With reading rates of up to 125 readings/second.

• Measures resistances up to 10^16O
• 1fA-20mA current measurement range
• <20µV burden voltage on lowest current ranges
• 200TO input impedance
• <3fA bias current
• Up to 125 rdgs/s
• 0.75fA p-p noise
• Built-in ±1kV voltage source