What is the working principle of a pressure sensor? Pressure sensors operate by converting pressure into analog electrical signals.

In the era of steam, the demand for pressure measuring instruments increased. When pressure sensing technologies were first manufactured, they were mechanical, using Bourdon tube pressure gauges to move the needle and provide visual indication of pressure. Nowadays, we use pressure sensors and pressure switches to electronically measure pressure.

static pressure

Pressure can be defined as the force per unit area exerted by a fluid on its surrounding environment. The basic physical calculation method for static pressure (P) is force (F) divided by area (A).

P=F/A

Force can be generated by liquids, gases, vapors, or solids.

The working principle of the pressure sensor:

The pressure sensor has a constant area sensing element and responds to the force exerted by fluid pressure on the area. The applied force will cause the diaphragm inside the pressure sensor to tilt. Measure the deflection of the internal diaphragm and convert it into an electrical output. This allows pressure to be monitored through microprocessors, programmable controllers, computers, and similar electronic instruments. Most pressure sensors are designed to produce a linear output when pressure is applied.

What is the purpose of a pressure sensor

Pressure sensors are used in a range of industries, including the automotive industry, biomedical instruments, aviation, and marine industries.

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