Fluke 1630 Ground Resistance Meter

The Fluke 1630 uses the stakeless testing method, which eliminates the need to disconnect parallel ground rods and find suitable locations for placing auxiliary ground stakes.

This saves time and enables users such as industrial and utility electricians, and field service electricians and contractors, to perform earth ground loop tests in locations where it is not possible to use other techniques, such as inside buildings or on power pylons.

With the stakeless testing method, earth ground stakes are no longer necessary. The Fluke 1630 Earth Ground Clamp is clamped around the earth ground rod or the connecting cable. A known voltage is induced by one half of the clamp and the current is measured by the other half. The tester automatically determines the ground loop resistance at this grounding connection.

Other useful capabilities:

• Provides a large jaw opening of 35 mm (1.38 in) for tests on ground conductors and/or equipotential bus bars
• Offers user-defined HI/LO Alarm limits for rapid measurement evaluation
• Includes a handy ‘display hold’ button to capture readings in hard-to-reach places
• Automatically records and stores measured values with time saving memory function
• Provides automatic self calibration to ensure correct measurements every time
• Provides overload protection to 200 A

How does Fluke 1630 work?

The Fluke 1630 grounding clamp clips around the grounding rod or cordset. One half of the clamp induces a known voltage and the other half measures current. The tester automatically determines the resistance of the ground loop at this ground connection.

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Specifications Fluke 1630 Ground Resistance Meter specifications:

• Display : 999 digital LC display with special symbols
• Safety : 300 V, CAT III pollution degree 2 IEC 61010-1 and IEC 61010-2-032
• Range Ground Loop Resistance : 0.025 – 1500 Ω
• Battery type : 9 V alkaline (type IEC 6 LR 61)
• Measuring frequency : 3.333 kHz
• Dimension (L x W x D) : 276 x 100 x 47 mm (10.8 x 3.9 x 1.9 in)
• Weight : 750 g (1.165 lbs)
• Measuring time : 0.5 sec
• Power consumption : 40 mA

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