Filling controls ; low fluid cut off control for heat transfer installations with organic fluids ; safety requirements and test 裝料控制裝置.有機液體傳熱設(shè)施的低流體截止控制器
But , is also commonly used for controlling the concentration of various industrial fluids cutting lubricants and flux rinsing compounds 這一系列的手持折射儀因不同的需要有各種測量范圍可選擇。