Definition of a Pressure Sensor
In this article we explain the working principles and different types of pressure transducers and pressure sensors.
There is a variety of different technologies used within pressure sensors to provide accurate results. The following section will highlight some of these.
Other pressure sensors that also do not use a measuring body can be thermal or ionization sensors, which use changes in thermal conductivity due to density changes in the flow of charged particles to measure the applied pressure.
There are a variety of properties that can be used to classify pressure sensors, including the pressure range they measure, the temperature ranges of operation, or the type of pressure they measure.
Different pressure types can be absolute, gauge, sealed gauge, and differential pressure.
The obvious advantage of an absolute pressure sensor is to always measure against the same reference pressure (vacuum) and therefore be unaffected toby atmospheric pressure changes and less affected by temperature changes.