商品規格:

Features

• Fall-of-Potential method

• Measures ground resistance (2- and 3-Point)and soil resistivity (4-Point)

• Large easy-to-read backlit display

• Step voltage tests and touch potential measurements

• Autoranging: automatically selects the optimum range

• Designed to reject high levels of noise and interference

• Extremely simple to operate: connect – press – read

• LEDs on faceplate inform operator of high input noise, high auxiliary rod resistance and fault connections if they are present

• Battery powered (Model 4620)

• AC powered with rechargeable NiMH batteries (Model 4630)

• Rugged dustproof and rainproof field case

• May also be used for continuity tests on bonding