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…
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…
David Herres is the owner and operator of a residential and commercial construction company. He obtained a Journeyman Electrician’s License in 1975, and has certificates in welding and wetland delineation, along with experience with elevators. Beginning in 2001, Mr. Herres has focused primarily on electrical work, upgrading his license to Master status. He is the author of two McGraw-Hill Professional titles, The 2011 National Electrical Code: Chapter-by-Chapter and Troubleshooting and Repairing Commercial Electrical Equipment, to be published in July, 2013.
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