Keithley Instruments was founded in 1946 in Solon, Ohio and is a veteran in the field of electronic test equipment manufacturing. They have approximately 550 employees, and over 500 products that source, measure, connect, control, and communicate direct current (DC), radio frequency (RF), or optical signals. Keithley is a prominent player in the communications test equipment field. Keithley electronics is now part of the popular Tektronix fold, and has a wide range of products including electrometers, voltmeters, signal generators, data acquisition, and production and benchtop parametric testers and analyzers. If you want Keithley test equipment for sale, rent or lease, browse our range and request a quote from TRS-RenTelco today.