PA-840-102A-R2

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Pressure sensors are widely used in modern industry to measure pressure, force, and other physical and chemical properties. The PA-840-102A-R2 pressure sensor is a commonly used product from the AVAGO range. It is a high performance, cost-effective pressure sensor designed for extreme pressure measurement. In this article, the application field and working principle of the PA-840-102A-R2 pressure sensor are discussed in detail.

The PA-840-102A-R2 pressure sensor is a high performance pressure transducer that supports a wide range of pressure measuring applications. It features an IP67 rated robust stainless steel housing and dual 4-20mA and 0-5 V outputs. Its advanced modular design offers flexibility in configuration and installation. The integrated electronic compensation eliminates the need for temperature calibration and adjustment. The sensor is suitable for measuring gauge, differential, absolute, and vented pressures. The maximum pressure range of this pressure sensor is 20 bar (200 PSI).

In terms of working principle, the PA-840-102A-R2 pressure sensor is based on a piezoresistive principle, which means that it is essentially a Wheatstone bridge circuit with one arm of the bridge being strain gauges. When the applied pressure causes a change in the resistance of the strain gauge, the other arms of the bridge remain the same, resulting in a differential output voltage across the bridge. This output voltage is then conditioned, amplified, and converted to the desired output signal. This output signal is usually either a 4-20mA current or a 0-5V voltage.

The PA-840-102A-R2 pressure sensor can be used in a variety of applications, including HVAC systems, industrial applications, and automotive applications. It can be used for liquid level measurements, flow measurements, and pressure measurements. The wide pressure range, robust housing, and functionalities make it a popular choice for those seeking reliable pressure measurement for extreme pressure applications. Moreover, it is also reliable for applications which require accurate and repeatable pressure measurements in long-term operation.

In conclusion, the PA-840-102A-R2 pressure sensor is a versatile and highly reliable sensor suitable for a variety of pressure measurement applications. Its piezoresistive principle of working ensures accuracy and long-term operation, while the robust housing makes it suitable for a wide range of extreme pressure applications. The integrated electronics eliminates the need for temperature calibration and adjustment. It is also compatible with HVAC, automotive, and industrial applications, making it a popular choice among professionals and hobbyists alike.

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