Description
Model 4620 Ground Resistance Tester Kit – 300 ft (Catalog #2135.20)
Measures soil resistivity (4-Point) method
Measures ground resistance (2- and 3-Point) Fall-of-Potential method
Step voltage tests and touch potential measurements
Auto-Ranging: automatically selects the optimum range
Designed to reject high levels of noise interference
Extremely simple to operate: connect – press – read
LED on faceplate informs operator of high input noise,
high auxiliary rod resistance and fault connections
AC powered with rechargeable NiMH batteries
Rugged, dustproof and rainproof field case
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