The instrument can easily and correctly location,depth of the underground pipes and the exact position of leak points on the insulating anticorrosive coating without digging ground.

• 本仪器不挖开复土的情况下，方便而准确地查出地下管道的走向、深度和绝缘防腐层的漏蚀点的精确位置，使整个管道表面不再屡遭到处开搪破土之苦。