NDJ-IA 型旋轉(zhuǎn)式粘度計(jì)

NDJ-79 旋轉(zhuǎn)粘度計(jì)

DNJ-5S數(shù)字式粘度計(jì)

DNJ-8S數(shù)字式粘度計(jì)

STM-IV數(shù)顯式斯托默粘度計(jì)

STM-III數(shù)顯式斯托默粘度計(jì)