DEVICE FOR INDICATING A PHYSICAL QUANTITY

摘要

The invention relates to a device for indicating a physical quantity, said device comprising a housing to which a sensor for measuring the physical quantity is connected and which contains a display (300) for displaying a value of the physical quantity measured by the measuring sensor. According to the invention, the display comprises a display screen which consists of alpha-numeric or graphic characters and is controlled by an electronic card (310), and a line (330) which provides an electrical connection to the electronic card is arranged on the screen. The electrical connection can be interrupted in the event of a failure of the display screen. The invention can be applied to the measurement of the pressure of industrial and medical fluids.