Device for measurement of electrical potentials in the ground and soil, for soil science and environmental applications, has an elongated hollow measurement body that is placed in the ground and has a sliding contact inside it

摘要

Device comprises a hollow elongated body (2) with at least partially electrically conducting walls. A measurement contact (4) slides along the inside of the body. The hollow body is placed in the ground or earth and the potential between a reference point and the sliding contact measured.