دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: an instrument that measures fluid pressure and usually registers the difference between atmospheric pressure and the pressure of the fluid by indicating the effect of such pressures on a measuring element (e.g., a column of liquid, pressure in a Bourdon tube, a weighted piston, or a diaphragm).

n: the apparatus that measure the pressyre of fluid.