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This product has been discontinued.
View the Ground Resistance Testers
The Associated Research 293 Vibroground is a 0-1000/10000 ohm, four-point ground / earth resistance tester. The Vibroground is a self-contained, battery-powered synchronous vibrator that can measure the true resistance of earth to man-made grounds. Associated Research 293 Vibroground models offer four resistance ranges: 0 to 1 ohm, 0 to 10 ohms, 0 to 100 ohms, 0 to 1,000 ohms and 0 to 10,000 ohms.
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Features
Self-contained synchronous vibrator, battery powered unit
Capable of measuring earth resistivity or the true resistance to earth of man-made grounds
Not affected by the resistance of the auxiliary probes or leads
Stray AC or DC currents in the earth do not detract from its accuracy
Four resistance ranges: 0 to 1 ohm, 0 to 10 ohms, 0 to 100 ohms, 0 to 1,000 ohms, 0 to 10,000 ohms
Specifications
Applications
Four Electrode Method, for determination of average earth resistivity. The ranges provided in the instrument make possible accurate soil resistivity measurements from 0 to 1,915,000 ohms per cubic centimeter at 10 ft. or greater spacing
Three Electrode Method, for the measurement of resistance to earth of man-made grounds, anode resistance, polarization effects
Two Electrode Method, for the measurement of circuit resistance
Available with ground rods & cable set
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