Monday, July 27, 2009

Distinctive earth ground testers that can perform all four types of earth ground measurement

The Fluke 1623 and 1625 are distinctive earth ground testers that can perform all four types of earth ground measurement. Specifically, the Fluke 1623 and 1625 testers are able to measure earth ground loop resistances using only clamps – called Stakeless testing, to make your earth ground loop resistance testing quicker and easier.. This method doesn’t require the use of earth ground stakes or the disconnection of ground rods. Gone are the days of spending time placing and connecting stakes for each earth ground rod on your system—a major time saver. You can also perform earth ground tests in places you’ve not considered before: inside buildings, power pylons, or anywhere you don’t have access to soil.

The Fluke 1623 and 1625 are distinctive earth ground testers that can perform all four types of earth ground measurement: 3- and 4-Pole Fall of Potential using stakes, 4-Pole Soil Resistivity testing using stakes, Selective testing using 1 clamp and stakes, and Stakeless testing using 2 clamps only.

In addition, the Fluke 1625 offers advanced features like Automatic Frequency Control (AFC) for identifying existing interference and choosing a measurement frequency to minimize its effect, providing more accurate earth ground value. The R* measurement calculates earth ground impedance at 55 Hz to more accurately reflect the earth ground resistance that a fault-to-earth ground would see. Adjustable limits for quicker Testing is also possible.

The testers are also easy to use. For each test, the testers inform you which stakes or clamps need to be connected and the large rotary switch can be used even with a gloved hand. The complete model kit comes with the 1623 or 1625 tester, test leads, 4 earth ground stakes, 3 cable reels with wire, 2 clamps, batteries, and manual—all inside a rugged Fluke carrying case.

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