How accurate can the piezoresistive tension and pressure sensor be?

The accuracy of piezoresistive tension pressure sensor can usually reach about 0.01%FS to 0.5% FS, and the common accuracy is 0.05% FS, 0.1% FS, 0.25% FS, etc. The following are some specific instructions: high precision case

In some fields, such as aerospace and high-end scientific research experiments, which require high accuracy, the accuracy of some piezoresistive tension and pressure sensors can reach 0.01% FS or even higher. For example, the high-precision pressure sensor made in Const adopts silicon piezoresistive technology route, and its comprehensive accuracy can reach 0.01% fs.

This kind of high-precision sensor usually adopts advanced manufacturing technology and high-precision measuring circuit, and is equipped with perfect temperature compensation and calibration mechanism to ensure high-precision measurement under different environmental conditions.

General industrial precision

In general industrial applications, such as air conditioning equipment, constant pressure water supply, automatic control, air compressor, refrigeration equipment, etc., the accuracy of piezoresistive tension pressure sensor is generally between 0.1% FS and 0.5% FS, which is enough to meet the pressure and tension measurement requirements in most industrial production processes, and can ensure the stability of production process and the consistency of product quality.

In the case of low accuracy, the accuracy of some low-cost and general-purpose piezoresistive tension and pressure sensors may be above 0.5% FS, or even reach about 1% FS. Although the accuracy is relatively low, it is still widely used in some occasions that do not require high accuracy, such as simple pressure monitoring in industrial start-up production lines and some simple pressure measuring equipment for civil use.

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