Manometer Let displacement illustrate the effects of vacuum and pressure for you!
This unit is used to measure vacuum and pressure by means of displacement. A U-shaped manometer tube, with arms one meter long is mounted on a plastic support with a cast iron base. A liquid is then placed inside the tube to act as an indicator when pressure or a vacuum is introduced. Oil can be substituted for mercury as the liquid to be displaced. The glass tube is open on both ends. Instructions provided. (Weight & Dimensions).