A pressure measuring system comprising: - a pressure sensor comprising: ∘ a deformable membrane; ∘ a system (12, 12') for limiting deformations of the deformable membrane comprising: ▪ a lower stop able to limit deformations of the deformable membrane, said lower stop being disposed above the deformable membrane; and ▪ an upper stop able to limit deformations of the deformable membrane, said upper stop being disposed above the deformable membrane; ∘ a resistive bridge disposed on the deformable membrane, said resistive bridge being configured to deliver a bridge voltage (Ve) representative of a deformation of the deformable membrane caused by a pressure (P, P') applied to said deformable membrane, hence the limiting system (12, 12') being configured to limit the bridge voltage (Ve) in case of an over-pressure or under-pressure at the deformable membrane; - an electronic amplification circuit connected to the resistive bridge able to deliver an output voltage (Vs) as a function of the bridge voltage (Ve); wherein the limiting system (12, 12') and electronic circuit are configured together so that the output voltage (Vs) enables a failure case of a pressure sensor and/or electronic circuit to be distinguished from an over-pressure or under-pressure at the deformable membrane, the limiting system and electronic circuit being configured together so that: - in nominal operation, the output voltage (Vs) linearly varies between two values Vsmin and Vsmax for a pressure at the deformable membrane comprised between Pmin and Pmax; - in case of an over-pressure at the deformable membrane, the output voltage (Vs) increases to saturate at a saturation voltage Vs_sat_max for a pressure at the deformable membrane greater than Pmax; - in case of an under-pressure at the deformable membrane, the output voltage (Vs) decreases to saturate at a saturation voltage Vsat_min for a pressure differential at the membrane lower than Pmin; - in case of a failure of the pressure sensor and/or electronic circuit, the output voltage (Vs) reaches a voltage between a high fault voltage Vhigh_fault and a supply voltage of the electronic circuit V2, or reaches a voltage between 0 and a low fault voltage Vlow_fault, wherein the high fault voltage Vhigh_fault is strictly greater than the saturation voltage Vs_sat_max, the saturation voltage Vs_sat_max is strictly greater than the nominal voltage value Vsmax, the low fault voltage Vlow_fault is strictly lower than the saturation voltage Vs_sat_min, and the saturation voltage Vs_sat_min is strictly lower than the nominal voltage value Vs_min. - a pressure sensor comprising: ∘ a deformable membrane; ∘ a system (12, 12') for limiting deformations of the deformable membrane comprising: ▪ a lower stop able to limit deformations of the deformable membrane, said lower stop being disposed above the deformable membrane; and ▪ an upper stop able to limit deformations of the deformable membrane, said upper stop being disposed above the deformable membrane; ∘ a resistive bridge disposed on the deformable membrane, said resistive bridge being configured to deliver a bridge voltage (Ve) representative of a deformation of the deformable membrane caused by a pressure (P, P') applied to said deformable membrane, hence the limiting system (12, 12') being configured to limit the bridge voltage (Ve) in case of an over-pressure or under-pressure at the deformable membrane; ∘ a deformable membrane; ∘ a system (12, 12') for limiting deformations of the deformable membrane comprising: ▪ a lower stop able to limit deformations of the deformable membrane, said lower stop being disposed above the deformable membrane; and ▪ an upper stop able to limit deformations of the deformable membrane, said upper stop being disposed above the deformable membrane; ▪ a lower stop able to limit deformations of the deformable membrane, said lower stop being disposed above the deformable membrane; and ▪ an upper stop able to limit deformations of the deformable membrane, said upper stop being disposed above the deformable membrane; ∘ a resistive bridge disposed on the deformable membrane, said resistive bridge being configured to deliver a bridge voltage (Ve) representative of a deformation of the deformable membrane caused by a pressure (P, P') applied to said deformable membrane, hence the limiting system (12, 12') being configured to limit the bridge voltage (Ve) in case of an over-pressure or under-pressure at the deformable membrane; - an electronic amplification circuit connected to the resistive bridge able to deliver an output voltage (Vs) as a function of the bridge voltage (Ve); - in nominal operation, the output voltage (Vs) linearly varies between two values Vsmin and Vsmax for a pressure at the deformable membrane comprised between Pmin and Pmax; - in case of an over-pressure at the deformable membrane, the output voltage (Vs) increases to saturate at a saturation voltage Vs_sat_max for a pressure at the deformable membrane greater than Pmax; - in case of an under-pressure at the deformable membrane, the output voltage (Vs) decreases to saturate at a saturation voltage Vsat_min for a pressure differential at the membrane lower than Pmin; - in case of a failure of the pressure sensor and/or electronic circuit, the output voltage (Vs) reaches a voltage between a high fault voltage Vhigh_fault and a supply voltage of the electronic circuit V2, or reaches a voltage between 0 and a low fault voltage Vlow_fault,