Abstract: A differential pressure transducer determines a differential between two pressures. The transducer comprises a closed measuring chamber formed by at least two measuring membranes arranged to be acted upon by the two pressures, respectively. At least one pressure chamber is defined by a transmission membrane and one of the measuring membranes. A bendable bar is disposed in the pressure transmission chamber, i.e., outside of the measuring chamber, and is operably connected to the measuring membranes to be bent thereby in response to a pressure differential. Strain gauges are mounted on the bendable bar for detecting the amount of bending of the bar, thereby enabling the pressure differential to be determined.