NPI-19A-172AH

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A pressure sensor, also known as a transducer, is an instrument that measures and influences pressure in a particular application area. The NPI-19A-172AH is a type of pressure sensor specifically designed to be used in aircraft and spacecraft. With its high frequency range, it can be used for a variety of measurement tasks.

Pressure Sensor Overview

Pressure sensors measure changes in pressure within a specific application field. They work in two ways. One way involves the measurement of static or absolute pressures. The other way is the measurement of dynamic or differential pressures between two points.

The NPI-19A-172AH belongs to the former category. It is an absolute pressure sensor that measures changes in the pressure, temperature, or altitude of aircraft or spacecraft, typically with a range of 400 to 1000 millibars. Most pressure sensors are digital and use capacitive sensing technology to measure variations in pressure.

Working Principle

The NPI-19A-172AH takes advantage of the fact that the capacitance of a capacitor changes when the force of an external field increases or decreases its electric field. This external field is typically the change in pressure, temperature, or altitude of an aircraft or spacecraft.

When a change is detected, the capacitor\'s capacitance increases or decreases, depending on whether the external force is expanding or contracting. This change in capacitance is then used to generate an electric output signal which the sensor then relays back to its electronic controlling circuit. This electronic output signal is then used to calculate the exact value of the detected pressure, temperature, or altitude.

Application Field

The NPI-19A-172AH is typically deployed in high-tech aircraft or spacecraft. Its extremely low power requirement and high temperature range makes it suitable for aerospace applications, particularly in altimeter and airspeed indicators. It also has a fast response time, making it ideal for attitude detection.

Furthermore, the NPI-19A-172AH can be used in other applications such as medical equipment, hydrological studies, climate forecasting, and other commercial and industrial uses. Its compact size and accuracy at extreme temperatures make it ideal for environments where other pressure sensors may not be able to provide reliable readings.

Conclusion

The NPI-19A-172AH is a type of pressure sensor that works by measuring changes in pressure, temperature, or altitude of aircraft or spacecraft. It is typically used as an altimeter and airspeed indicator in high-tech aircraft but can also be used in other applications such as medical equipment and hydrological studies. It is an absolute pressure sensor that uses a capacitive sensing technology to measure changes in capacitance.

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