PE-21

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Pressure sensors are devices which measure and monitor pressure in a specific environment or system. Transducers are devices which convert an input into an analogous electrical signal, with a varying output signal. PE-21 is a type of pressure sensor that utilizes both of these technologies, combining them into one device.

Overview

PE-21 is a digital pressure sensor which is designed for measuring the differential pressure in a variety of environments such as pneumatic systems, compressors, and locomotives. It uses a small diaphragm-type pressure transducer to measure the pressure, and also incorporates microcontroller-based signal conditioning electronics to provide a digital data output. The PE-21 is also relatively small, measuring only 16mm x 24mm x 12mm in size.

Applications

PE-21 pressure sensors are used in a wide variety of industries including automotive, medical, industrial, aerospace, and marine. In automotive applications, the PE-21 is used to measure pressure in tailpipes and exhaust systems, to help optimize fuel efficiency. In medical applications, they are used to measure pressure buildup during respiratory treatments and during endoscopic procedures. It is also used in industrial automation, for controlling process Autopilots which help to maintain a certain degree of control over a process. PE-21 sensors are also used in the aerospace industry to detect changes in pressure during flight, as well as in marine applications to monitor pressure changes in boat or ship hulls.

Working Principle

The PE-21 pressure sensor uses a diaphragm-type pressure transducer to measure the pressure. This type of pressure sensor utilizes the capacitance changes that are created when pressure is applied to a diaphragm. The diaphragm is typically made of stainless steel, and is situated between two electrodes. When a pressure is applied to the diaphragm, the spacing between the electrodes is changed, and this change in capacitance is then converted into an electrical signal, which is then processed and transmitted. The PE-21 also features a microcontroller-based signal conditioning electronics which process the signal from the transducer, convert it into digital data, and transmit it to the user in a format that is easy to interpret and use. This digital data is usually transmitted via a serial communication protocol such as RS232 or RS485, allowing for easy integration with other systems.

Conclusion

PE-21 is a digital pressure sensor which utilizes a small diaphragm-type pressure transducer and microcontroller-based signal conditioning electronics to provide a digital data output. It is used in a variety of industries including automotive, medical, industrial, aerospace, and marine. The working principle of the sensor is based on capacitance changes created when pressure is applied to the diaphragm of the transducer. The digital data is then processed and transmitted by signal conditioning electronics, making it easy to integrate with other systems.

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