Patent ID: 8689626

Claim:
A pressure reading system, specifically for detecting the level of a fluid in a tank of an electric household appliance, comprising a pressure sensor comprising a body, pressure receiving means associable with a tube of an electric household appliance, the level of which is intended to be measured, and means emitting an electric frequency signal proportional to the pressure received by the receiving means; characterized in that it further comprises readable storing means carried aboard the body, integrally therewith, on which there were recorded a plurality of response frequency values emitted by the emitting means associated with corresponding pressure values which were present each time at the pressure receiving means, the pressure reading system further comprising first reading means of pressure and frequency values recorded on the readable storing means, second reading means of the electric frequency signal present at the emitting means, and processing means for interpolating the pressure value associated with the signal read each time by the second reading means on the basis of the values read by the first reading means.