| 摘要 |
A transducer for measuring the pressure of a fluid, particularly for measuring oil pressure in a vehicle, comprises: - a plurality of electrical switches (I1, I2, I3) operable differentially by the fluid pressure, - an electrical circuit associated with the switches, and - indicator means (11) connected to the circuit for providing a signal indicative of the fluid pressure in dependence on the number of switches (I) which are in the closed condition.
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