The C.A6470N Terca 3 is an earth tester offering soil resistivity, earth coupling and continuity measurements. Ergonomic, comprehensive and accurate, the C.A6470N offers direct access to all the measurements on the front panel by means of a rotary switch. Designed for on-site use, it is compact, rugged and leakproof.

To simplify connection, the 4 terminals for connecting the stakes are colour-coded to help identify them. The C.A6470N includes a large backlit LCD screen and a battery which is rechargeable with an external charger connected to the mains or to a vehicle cigarette lighter. It is also equipped with a function for direct, ordered storage of the measurement results.

A USB communication output can be used to export the data onto a PC in order to process them with the Ground Tester Transfer software.