GDHL The Line Loop Resistance Test /HV meter/ line loop resistance meter

GDHL-III type the line loop resistance test instrument adopted digital circuit technique and the switches circuit technique creation, is used for the switch control equipments of the contact resistance, the line loop resistance measure of appropriation equipments. the measurementcurrent adopts the national standard GB763 recommend of the 100 A direct current, can measure directly under the circumstance of the 100 A current the line loop resistance perhaps contact resistance, and direct manifestation, that instrument measure accurate, functionstability, the spot high voltage switch maintains with the request of the line loop resistance test in the high voltage switch factory in the in keeping with electric power, the power supply