A dead weight tester is an instrument that calibrates pressure by determining the weight of force divided by the area the force is applied. The formula for dead weight testers is pressure equals force divided by area of where force is applied.Continue Reading
A dead weight tester works by using a piston cylinder which a load is placed to create an equilibrium with applied pressure. Dead weight testers are usually used in calibration laboratories to calibrate pressure transfer standards. Dead weight testers, also referred to as primary standards, generally express accuracy as a percent of the indicated reading. Many testers are available. To select the proper tester, consider the tester's accuracy, the type of test fluid used, the task being performed and the pressure ranges of the instruments tested.
Before using a dead weight tester, consider the following: