Business > Industrial Devices > Automation Controls Top > Service & Support > FA Technical Support > Technical Guide (FA Sensors) > Pressure sensors
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A pressure sensor converts changes in pressure of a gas or a liquid into an electrical signal by means of a pressure sensing device, and generates an analog output proportional to the pressure or a switching output which operates at a particular pressure level. All Panasonic Industrial Devices SUNX pressure sensors incorporate semiconductor transducers, which offer long life and high reliability, as the sensing devices.
The diffused semiconductor transducer converts pressure into an electrical signal, which is then processed by an amplifier and an output circuit. |
The pressure is applied to a stainless diaphragm, whose distortion is converted by a bonding type semiconductor transducer, bonded at the back of the diaphragm, into an electrical signal. This signal is then processed by an amplifier and an output circuit. |
Pressure sensors can be broadly classified into two types: electronic type and mechanical type.
Previously, mechanical type pressure sensors, which are relatively inexpensive, were commonly used. However, since they have low reliability and short life, electronic pressure sensors are now being increasingly used.
Type | Electronic type (Diffusion type, bonding type) |
Mechanical type (Bourdon-tube, bellows, etc.) |
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