Product Description

Keithley 487 Picoampere Meter Two selectable voltage ranges 500 V range with 10 mV resolution and 50 V range with 1 mV resolution current from 10 fA to 2 mA and resistances from 500 mOhm to 5x10E16 Ohm programmable displaying intervals from 10 ms to 1000 s 2 LED displays for voltage and current GPIB interface.