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2. Grounding resistance tester - Wikipedia

   en.wikipedia.org/wiki/Grounding_resistance_tester

   A grounding resistance tester also called an earth tester is a soil resistance measuring instrument. It is used for sizing and projecting grounding grids. [1]Digital Earth resistance tester Analog Grounding resistance tester schematic Graph of Comparison analog and digital grounding resistance 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. Electrical outlet tester - Wikipedia

   en.wikipedia.org/wiki/Electrical_outlet_tester

   It can identify several common wiring errors, including swapped phase and neutral, and failure to connect ground. The tester confirms continuity and polarity of the electrical connections, but it does not verify current-carrying ability, [1] electrical safety (which requires impedance testing), [2] insulation breakdown voltage, or loop ...

5. Electrical safety testing - Wikipedia

   en.wikipedia.org/wiki/Electrical_safety_testing

   To do this test, you need to have an insulation resistance tester, which may be a small hand held battery powered device, up to a larger luggage sized tool able to achieve higher test voltages. Variables to choose before starting an electrical resistance test is the test voltage, test duration, and test points.

6. Electrical isolation test - Wikipedia

   en.wikipedia.org/wiki/Electrical_isolation_test

   In electrical engineering, an electrical isolation test is a direct current (DC) or alternating current (AC) resistance test that is performed on sub-systems of an electronic system to verify that a specified level of isolation resistance is met. Isolation testing may also be conducted between one or more electrical circuits of the same ...

7. Network analyzer (electrical) - Wikipedia

   en.wikipedia.org/wiki/Network_analyzer_(electrical)

   ZVA40 vector network analyzer from Rohde & Schwarz.. A network analyzer is an instrument that measures the network parameters of electrical networks.Today, network analyzers commonly measure s–parameters because reflection and transmission of electrical networks are easy to measure at high frequencies, but there are other network parameter sets such as y-parameters, z-parameters, and h ...