HSCMAND2.5BGAA5

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HSCMAND2.5BGAA5 application field and working principle

The HSCMAND2.5BGAA5 series products are piezoresistive, ultra-low-pressure sensors collectively referred to as a family of products. It belongs to the category of pressure sensors, which mainly consist of pressure sensing elements, amplified circuit, compensation circuit, signal conditioning circuit, voltage output and control circuit.

The HSCMAND2.5BGAA5 series products are mainly used in the measurement of ultra-low pressure and extremely low differential pressure in hypobaric vacuum, especially in measuring the pressure of ultra-low vacuum. Through the integrated circuit chip, the specialty permeable membrane can make miniature pressure sensors to measure low pressure accurately. The high-reliability capacitance-type chip and piezoresistive ceramic sensor design are suitable for applications such as medical and avionics.

The working principle of HSCMAND2.5BGAA5 series product is based on the principle of piezoresistive transduction. The pressure changes the electrical resistance of the semiconductor piezoresistive material. The semiconductor material is an integrated circuit chip. This chip is monolithically integrated on a single chip. On the other side of the chip is a metal diaphragm, also known as the pressure interface, which is in contact with the measured medium. The pressure of the medium changes the shape of the diaphragm, which in turn changes the electrical resistance of the semiconductor material. The semiconductor chip converts this resistance change into an output voltage.

The HSCMAND2.5BGAA5 series products are designed with high accuracy, good repeatability and low temperature drift. The invention of this product is very meaningful and it can meet the requirements of measuring ultra-low pressure in many circumstances, such as medical and avionics. It has wide application fields and strong practicability.

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