Keithley 6517B Electrometer High Resistance Meters
Specifications :
Complete hardware-software solution for ASTM D257 high resistivity measurements with the 6517B
Cancels voltage and current offsets easily
3 fA input bias current
6½-digit high accuracy measurement mode
20 µV burden voltage on the lowest current ranges
Voltage measurements up to 200V with 200Ω input impedance
Built-in ±1kV voltage source
Unique voltage reversal method for high resistance measurements
GPIB and RS-232 interfaces