The tensiometer is mainly to test surface tension of all kinds of liquids just like warter,oil liquid chemicals and so on.It is widely used in the petroleum,chemical industry,research department and university. This instrument is composed by platinum ring,torsion wire,defferential transformer and data procession system according to the ISO 1409 and ASTM D971 standard. Description JYW-200A JYW-200B Test range 0-200.0mN/m Resolution 0.1mN/m Accurancy ﹤±2% Sample stroke 25mm Sample speed 15mm/min±2mm/min RT Ring radius 0.3mm RT Ring perimeter 60mm Sample cup Dia. 56mm Sample cup volume 60ml Dimension 400mm*220mm*350mm Weight 14kg Power 220V/110V50/60Hz