I&E Central - Ground Resistance Testers

Ground Resistance Testers

AEMC Model 3640 and 4610 Ground Resistance Testers

Perform fall of potential method for ground resistance
2- and 3-point measurements (4-point on model 4610)
Measurement ranges form 19.99 to 2000 ohms
0.01ohm resolution
Battery operated
Sold as stand alone instruments, or complete kits with ground probes, leads, and soft carrying case.
Units from $745, Kits from $1045

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AEMC Model 4620 and 4630 Ground Resistance Testers

Performs fall of potential, step voltage, and touch potential tests
Performs 4-point soil resistivity measurements
Auto ranging, 0.00 to 1999 Ohms
Battery powered, model 4630 has NiMH rechargeable batteries and AC power also.
Rugged weatherproof case
Sold stand alone or as kits with ground electrodes, leads on spools, 100' tape measure, and carrying bag.
Stand alone units from $1195, kits from $1795

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Clamp-on Ground Resistance Testers
No leads or ground rods required

Effective on multi-point ground systems
Direct measurement form 0.1 to 1200 ohms
Direct reading of ground leakage current
Large jaw with 1.25" window
Model 3731 has memory for up to 99 measurements for later retrieval
$1995 to $2195

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