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2. Heat detector - Wikipedia

   en.wikipedia.org/wiki/Heat_detector

   A residential heat detector. A heat detector is a fire alarm device designed to respond when the convected thermal energy of a fire increases the temperature of a heat sensitive element. The thermal mass and conductivity of the element regulate the rate flow of heat into the element. All heat detectors have this thermal lag. Heat detectors have ...

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   Shop Home Depot Black Friday deals through Cyber Monday, saving on everything from appliances and tools to comforters and Christmas trees until Nov. 30. ... It includes a built-in battery tester ...

4. Portable appliance testing - Wikipedia

   en.wikipedia.org/wiki/Portable_appliance_testing

   Later model testers that are battery powered are limited to doing the "screen test". Older mains powered units can do all tests. The purpose of the high current test is to simulate a fault condition: if a live part contacts the earthed metalwork, the earth conductor should be able to carry sufficient current to blow the fuse and render the ...

5. Automatic test equipment - Wikipedia

   en.wikipedia.org/wiki/Automatic_test_equipment

   Automatic test equipment diagnostics is the part of an ATE test that determines the faulty components. ATE tests perform two basic functions. The first is to test whether or not the Device Under Test is working correctly. The second is when the DUT is not working correctly, to diagnose the reason.

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   AOL latest headlines, entertainment, sports, articles for business, health and world news.

7. Window detector - Wikipedia

   en.wikipedia.org/wiki/Window_detector

   window detector circuit diagram. A window detector circuit, also called window comparator circuit or dual edge limit detector circuits is used to determine whether an unknown input is between two precise reference threshold voltages. [1] It employs two comparators to detect over-voltage or under-voltage. [2]

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   The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.

9. News, Politics, Sports, Mail & Latest Headlines - AOL.com

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   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.