Keithley Instruments

Keithley Instruments is a measurement and instrument company headquartered in Solon, Ohio, that develops, manufactures, markets, and sells data acquisition products, as well as complete systems for high-volume production and assembly testing.
In September, 2010, the company agreed to sell itself to the Danaher Corporation, a Washington, D.C.-based conglomerate, for $21.60 per share. It was soon merged with Tektronix, Inc, which had been acquired by Danaher in 2007, and now exists wholly as a brand of Tektronix.
General.
The company designs, develops, manufactures and markets electronic instruments and systems geared to the specialized needs of electronics manufacturers for production testing, process monitoring, product development, and research.
The company has approximately 500 products used to source, measure, connect, control or communicate direct current (DC), radio frequency (RF), or optical signals. Product offerings include integrated systems solutions, instruments, and personal computer (PC) plug-in boards that can be used as system components or as stand-alone solutions.
The company's markets are engineers, technicians, and scientists in manufacturing, product development, and research functions.
Keithley operates throughout North America, Asia, and Europe. It develops new solutions for the broader electronics industry, as well as electronic manufacturing production test, semiconductor, telecommunications/wireless and research/education.
Products.
Keithley Instruments' major product lines included testing and measurement products such as electrometers, voltmeters, signal generators, data acquisition, and production and benchtop parametric testers and analyzers.