A pressure transmitter having a pressure sensor assembly comprising: - a diaphragm displaceable under the pressure exerted on it by a fluid; - a first LC oscillating circuit and a second LC oscillating circuit positioned on opposite sides with respect to said diaphragm, in which each inductance (L 1, L 2) varies as a function of the displacement of said diaphragm while each capacity (C 1, C 2) is constant; - a first electronic network and a second electronic network; characterized in that said first LC oscillating circuit is configured to be excited by a first predefined series of pulses and to generate in output a series of consecutive first oscillating signals, and said second LC oscillating circuit is configured to be excited by a second predefined series of pulses and to generate in output a series of consecutive second oscillating signals, the oscillating frequency of said consecutive first oscillating signals and of said consecutive second oscillating signals depending on the displacement of said diaphragm, wherein said first predefined series of pulses and said second predefined series of pulses are generated by the first electronic network and by the second electronic network, respectively, and wherein said pressure transmitter comprises: - first electronic means configured to calculate a first numerical value (N 1) which is representative of the oscillating frequency of said consecutive first oscillating signals, and a second numerical value (N 2) which is representative of the oscillating frequency of said consecutive second oscillating signals, said first electronic means driving said first and second electronic networks (24, 25); and - second electronic means configured to generate a signal (P i) indicative of the pressure exerted by said fluid on the diaphragm on the basis of said first and second calculated numerical values (N 1, N 2). - a diaphragm displaceable under the pressure exerted on it by a fluid; - a first LC oscillating circuit and a second LC oscillating circuit positioned on opposite sides with respect to said diaphragm, in which each inductance (L 1, L 2) varies as a function of the displacement of said diaphragm while each capacity (C 1, C 2) is constant; - a first electronic network and a second electronic network; characterized in that said first LC oscillating circuit is configured to be excited by a first predefined series of pulses and to generate in output a series of consecutive first oscillating signals, and said second LC oscillating circuit is configured to be excited by a second predefined series of pulses and to generate in output a series of consecutive second oscillating signals, the oscillating frequency of said consecutive first oscillating signals and of said consecutive second oscillating signals depending on the displacement of said diaphragm, wherein said first predefined series of pulses and said second predefined series of pulses are generated by the first electronic network and by the second electronic network, respectively, and wherein said pressure transmitter comprises: - first electronic means configured to calculate a first numerical value (N 1) which is representative of the oscillating frequency of said consecutive first oscillating signals, and a second numerical value (N 2) which is representative of the oscillating frequency of said consecutive second oscillating signals, said first electronic means driving said first and second electronic networks (24, 25); and - second electronic means configured to generate a signal (P i) indicative of the pressure exerted by said fluid on the diaphragm on the basis of said first and second calculated numerical values (N 1, N 2). - first electronic means configured to calculate a first numerical value (N 1) which is representative of the oscillating frequency of said consecutive first oscillating signals, and a second numerical value (N 2) which is representative of the oscillating frequency of said consecutive second oscillating signals, said first electronic means driving said first and second electronic networks (24, 25); and - second electronic means configured to generate a signal (P i) indicative of the pressure exerted by said fluid on the diaphragm on the basis of said first and second calculated numerical values (N 1, N 2).