美國(guó)PTC牌指針式塑料硬度計(jì)l 符合ASTMD2240標(biāo)準(zhǔn)*指針240度轉(zhuǎn)動(dòng),閱讀容易*規(guī)格ASTMA、B、C、D,DO及O精確度 1刻度*附設(shè)最高讀數(shù)指針*可另購(gòu)買NIST證書 1 1底部(ErgoType)1-5/8底部(ClassicStyle)型號(hào)規(guī)格型號(hào)規(guī)格408ASTMTypeA306LASTMTypeA409 ASTMTypeD307LASTMTypeD408BASTMTypeB306BLASTMTypeB409CASTMTypeC307CLASTMTypeC410 ASTMTypeO 411ASTMTypeOO 412TypeOOO