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  2. Grounding resistance tester - Wikipedia

    en.wikipedia.org/wiki/Grounding_resistance_tester

    The first soil resistance measuring instrument was invented in the 1950s by Evershed & Vignoles Meggers who made the first insulation and earth resistance testers. [2] One of the most used analog grounding testers in USSR were М416. [3] From the 21st century several companies produced digital earth resistance meters and testers.

  3. Fluke Corporation - Wikipedia

    en.wikipedia.org/wiki/Fluke_Corporation

    Fluke purchased the testing and measurements division of Philips in 1993 for $41.8 million. [2] The Philips PM series of measurement instruments was rebranded as Fluke. Fluke was bought by the Danaher Corporation in 1998. Danaher spun off several subsidiaries, including Fluke, in 2016 to create Fortive. [3]

  4. Dielectric withstand test - Wikipedia

    en.wikipedia.org/wiki/Dielectric_withstand_test

    The tester has output overload protection. The test voltage may be either direct current or alternating current at power frequency or other frequency, like resonant frequency (30 to 300 Hz determined by load) or VLF (0.01 Hz to 0.1 Hz), when convenient. The maximum voltage is given in the test standard for the particular product.

  5. All of these Black Friday deals would make very good gifts - AOL

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    More than 10,000 reviews on Walmart are obsessed with this stain-fighting tool, too. "After months of my kids trashing my car and spilling smoothies, milk, lemonade, etc., the backseats in my car ...

  6. Massive Meat Recall Now Includes Meals Sold at Walmart ...

    www.aol.com/massive-meat-recall-now-includes...

    Now, the nationwide recall has expanded to include nearly 12 million pounds of meat and a lengthy list of ready-to-eat meals sold at many of the country's biggest grocery chains, including Walmart ...

  7. Girl accused in Wisconsin school deaths joins short list of ...

    www.aol.com/girl-accused-wisconsin-school-deaths...

    The fatal shooting of a student and a teacher at a private Christian school in Wisconsin on Monday was laden with shock, even for a nation dulled by the horror of repeated school massacres.

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