Keithley

Keithley Instruments (→ WikiData) was founded by Joseph F. Keithley (1915-1999) in Cleveland, OH, in 1946.

In 1965, they moved to Solon, OH.

In 2010, Keithley became an indirect wholly owned subsidiary of Danaher Corporation, merged with Tektronix, and shifted manufacturing to Tektronix facilities.

Documents

• Keithley catalogs
• Keithley manuals
• Low Level Measurements Handbook: Precision DC Current, Voltage, and Resistance Measurements, 7th edition, 2016

Links

• Keithley Instruments @ Wikipedia
• Keithley @ radiomuseum.org
• https://www.tek.com/keithley

Products by Keithley

Model	Class	Series	Description	Introduced	Discontinued
Keithley 160	Multimeter		3½-digit digital multimeter	1975	(?)
Keithley 175A	Multimeter		4½-digit TRMS digital multimeter	(?)	(?)
Keithley 177	Multimeter		4½-digit TRMS digital multimeter	1978	(?)
Keithley 179	Multimeter		4½-digit TRMS digital multimeter	1978	(?)
Keithley 181	Multimeter		5½-digit nanovoltmeter	(?)	(?)
Keithley 192	Multimeter		6½-digit multimeter	1982	(?)
Keithley 195A	Multimeter		5½-digit TRMS digital multimeter	1984	(?)
Keithley 197	Multimeter		5½-digit digital multimeter	(?)	(?)
Keithley 199	Multimeter		5½-digit multimeter	(?)	(?)
Keithley 220	Power supply		Programmable current source	(?)	(?)
Keithley 230	Power supply		Programmable voltage source	(?)	(?)
Keithley 480	Multimeter		Digital picoamperemeter	1978	(?)
Keithley 485	Multimeter		Digital picoamperemeter	(?)	(?)
Keithley 580	Multimeter		5½-digit microohmmeter	1985	(?)
Keithley 600A	Multimeter		Electrometer	(?)	(?)
Keithley 602	Multimeter		Electrometer	(?)	(?)
Keithley 610C	Multimeter		Solid-state Electrometer	(?)	(?)
Keithley 614	Multimeter		Electrometer	1981	(?)
Keithley 616	Multimeter		Electrometer	1975	(?)