Source Measurement Units

Keithley 487 Picoammeter / Voltage sourceProduct OverviewThe Keithley 487 is designed for measurement of low currents and very high resistances. This instrument incorporates all the capabilities of the 486, and...

Keithley 2450 Source Meter / Unit, Current/Resistance/Voltage Measure, Current/Voltage.  This unit is missing the back bumper and there's a few scratches on the case.  Unit tested good (source and measure...

Keithley 428 Current AmplifierProduct OverviewThis Current Amplifier converts fast, small currents to a voltage, which can be easily digitized or displayed by an oscilloscope, waveform analyzer, or data acquisition system. ...

Keithley 263 Calibrator SourceProduct OverviewThe 263 is a calibrator from Keithley. Electronic calibrations are necessary for maintaining your equipment for general monitoring and testing purposes. Calibrators enable you to solve...