
Keithley Instruments - Measurement Instrumentation
The company, founded in 1946 by Joseph F. Keithley in a Cleveland, Ohio, workshop, designs, develops, manufactures and markets complex electronic instruments and systems geared to the specialized needs of electronics manufacturers for high-performance production testing, process monitoring, product development and research.
Keithley Instruments's major product lines include Test & Measurement products such as electrometers, voltmeters, signal generators, data acquisition, and production and benchtop parameteric testers and analyzers.