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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
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Joseph F. Keithley founded
Keithley Instrument in 1946. His first product, the "Phantom Repeater," amplified low-level electric signals so that they could be measured by more standard equipment. The device was used by physicists, chemists, and engineers in the development of hearing aids and
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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.
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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.
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amplifiers. The product enjoyed some success in sales, but it was the next product, an electrometer, that clinched the future for
Keithley's fledgling company.
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The company's markets are engineers, technicians, and scientists in manufacturing, product development, and research functions.
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489:"Low Level Measurements Handbook: Precision DC Current, Voltage, and Resistance Measurements"
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Keithley
Instruments' major product lines included testing and measurement products such as
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415:"Keithley Instruments to move hundreds of manufacturing jobs to China from Solon"
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2011 – Announcement that most manufacturing will shift from Ohio to China
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2003 – Santa Rosa, California RF Design center opened (sold to
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In
September, 2010, the company agreed to sell itself to the
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2009 – S600 Series parametric test product line discontinued
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is a measurement and instrument company headquartered in
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John Yeager, the first employee, died 10 January 2018.
460:"Understanding current switching’s special needs"
386:"Applications not instruments says Tektronix CEO"
216:for high-volume production and assembly testing.
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479:"Standards Help Ensure Order for Nanotechnology"
491:. Keithley Instruments, Inc. 7th edition, 2016.
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761:Technology companies disestablished in 2010
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321:1991 – Joseph P. Keithley becomes chairman
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791:American companies disestablished in 2010
68:Learn how and when to remove this message
756:Technology companies established in 1946
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253:components or as stand-alone solutions.
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31:This article includes a list of general
766:Electronic test equipment manufacturers
437:"Patents owned by Keithley Instruments"
786:American companies established in 1946
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312:1964 – Moved headquarters to Solon, OH
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413:Schoenberger, Robert (6 June 2011).
357:2010 – Agreed to sell itself to the
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400:"Keithley Instruments Inc. History"
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37:it lacks sufficient corresponding
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441:US Patent & Trademark Office
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771:Defunct companies based in Ohio
301:, U.S.A., by Joseph F. Keithley
198:Keithley Instruments bench-top
781:2010 disestablishments in Ohio
683:Tektronix analog oscilloscopes
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361:, many operations merged with
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304:1950 – First employee hired
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776:1946 establishments in Ohio
561:Gems Sensors & Controls
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315:1966 – German office opened
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81:Keithley Instruments, LLC
326:New York Stock Exchange
318:1967 – UK office opened
52:more precise citations.
688:Tektronix extended HEX
483:Evaluation Engineering
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288:Historical highlights
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693:Tektronix Phaser 740
652:Keithley Instruments
566:Gilbarco Veeder-Root
481:. Tucker, Jonathan.
342:Agilent Technologies
206:Keithley Instruments
187:www.tek.com/keithley
160:Joseph F. Keithley,
730:Danaher Corporation
540:Everett, Washington
465:Electronic Products
359:Danaher Corporation
221:Danaher Corporation
177:Fortive Corporation
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472:2022-08-13 at the
447:on 24 January 2013
388:. 8 December 2010.
293:1946 – Founded in
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200:digital multimeter
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556:Fluke Corporation
324:1995 – Listed on
278:signal generators
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468:.July 1, 2009 .
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443:. Archived from
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485:. June 2009.
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449:. Retrieved
445:the original
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125:Headquarters
95:Company type
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58:January 2011
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571:Matco Tools
210:Solon, Ohio
137:Area served
50:introducing
750:Categories
451:31 January
372:References
274:voltmeters
147:Key people
131:, Ohio USA
33:references
714:Del Yocam
633:Tektronix
586:Tektronix
576:Qualitrol
363:Tektronix
349:Singapore
295:Cleveland
141:Worldwide
118:Cleveland
100:Tektronix
661:Products
591:Teletrac
470:Archived
264:Products
106:Industry
735:Fortive
526:Fortive
347:2005 –
330:1998 –
244:General
235:History
183:Website
162:Founder
114:Founded
46:improve
702:People
332:Taiwan
172:Parent
35:, but
344:2009)
129:Solon
453:2007
299:Ohio
223:, a
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
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