This creation system is a kind of survey depth of water structure weight,System includes a recessed ring groove in counterweight ontology middle section,The ring groove central fovea is equipped with the path section catching groove buckled for fish hook,And two locating part be inserted in composition in ring groove,The counterweight ontology is further equipped with groove or thread segment in two side ends,For aggravating weight body noose or spiro person； It can directly be buckled in counterweight ontology path section catching groove in order to fish hook,Height fall effectively is avoided,And structure simplify,It is solid good in conjunction with jail property,To reach more accurate simpler depth of water test operation,The different waters depths voluntarily additional bob-weight can be regarded again,Has more convenient use effect person of having both.本創作係為一種測水深配重體結構，係包含一配重本體中段凹設一環凹槽，該環凹槽中央凹設有供魚鉤扣結的小徑段扣槽，及兩限位件套入環凹槽內組成，該配重本體進一步在兩側端設有溝槽或螺紋段，供加重配重體套結或螺結者；俾魚鉤能直接扣結配重本體小徑段扣槽內，有效避免高度落差，且結構精簡、結合牢性固佳，以達更精準更簡易水深測試操作，又能視不同水域深淺自行附加配重，具更便利使用功效兼具者。
