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Test and Measurement Editor

Test and Measurement Basics of Microphones

September 2, 2009 By Test and Measurement Editor 6 Comments

Microphones are familiar sensors that transform sound pressure waves into electrical signals over a broad range of frequencies and amplitudes. They are an integral part of a variety of devices including tape recorders, hearing aids, telephones, and computers. They are also used in radio and television broadcasting and audio engineering. But another specific class, perhaps […]

Filed Under: Communication Test, Featured Tagged With: Microphone, PCB Piezotronics Inc

Automated Gearbox Testing builds in Consistency

August 28, 2009 By Test and Measurement Editor Leave a Comment

Ann Arbor, MI – The U.S. military has demanding requirements for the hardware it needs. Take, for instance, a set of gearboxes built by Excel Gear Inc., Roscoe, Ill, (excelgear.com) for missile launchers on the U.S. Navy’s new DDG1000 series of ships. The gearboxes are drive elements for the servo systems that rotate and elevate […]

Filed Under: Communication Test, data acquisition, Featured, Machine Vision/Inspection, New Articles, PC-based Test Equipment

Peerless Precision in Remote Measurements

August 28, 2009 By Test and Measurement Editor Leave a Comment

By combining the best of two different distance measurement approaches with a super-accurate technology called an optical frequency comb, researchers at the National Institute of Standards and Technology (NIST) have built a laser ranging system that can pinpoint multiple objects with nanometer precision over distances up to 100 kilometers. The novel LIDAR (“light detection and […]

Filed Under: Featured, Machine Vision/Inspection

Capacitive Motor Feedback System

August 28, 2009 By Test and Measurement Editor Leave a Comment

DAYTON, OH – SICK STEGMANN, INC. introduces SEK/SEL37 Capacitive Motor Feedback Systems. Just 36mm in diameter, these compact motor feedback systems with HIPERFACE® interface are available in singleturn and multiturn versions with a radial or axial plug outlet. The capacitive principle of operation is not only very accurate but also extremely robust, requiring no ball […]

Filed Under: Featured, New Articles

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