The Fluke 1625-2 KIT grounding resistance tester set allows data storage and file uploads via USB port. World-class accessories simplify and accelerate testing.
The device can measure grounding circuit resistance using only clamps. When using this method, two clamps are placed alongside the grounding rod, each connected to the tester. Grounding electrodes are not used. One clamp applies a known fixed voltage, and the other measures the current. The tester then automatically determines the grounding rod resistance. This testing method works only if the tested building or structure has a connected grounding system, which is often the case. In the presence of only one grounding circuit, which is common in many residential buildings, the clamp method is ineffective, and the voltage drop testing method should be used.
When applying the clamp testing method, it is not necessary to disconnect the grounding rod — the connected grounding system is not engaged during testing. The days of installing and connecting each rod in the system are gone, saving significant time. You can also perform grounding resistance testing in locations where this option was previously unavailable: inside buildings, on power line supports, or where surface access is limited.
