日本TECLOCK得樂硬度計:指針式GS-706N,GS-709N,GS-719N,GS-720N,GS719G,GS-721N,GS-721G,GS-719H,GS-720H,GS-702N,GS-720G,GS-709G,GS-750G,GS-751G,GS-752G,GS-753G,GS-754G,GS-743G,GS-744G,GS-756G數顯式:GSD-719S,GSD-720S,GSD-721S,GSD-701S,GSD-706S,GSD-743S,GSD-744S,GSD-751S,GSD-754S硬度型號方式用途測定子形狀(舊)CGS-703N標準型普通型前端直徑為0.79，35 半徑2.50mm半球形GS-703G置針型高2.50