Among the various technical parameters of pressure sensors, accuracy is an important indicator. In the industrial field, the accuracy of instrumentation is called precision, and the level of accuracy is customarily called the accuracy level. In China, the accuracy level of industrial instruments is divided into seven grades: 0.1, 0.2, 0.5, 1.0, 1.5, 2.5 and 5.0. The details are as follows:
1% FS=1 Stage The measurement error is less than or equal to one percent of the full scale 0.5%FS=0.5 The measurement error is less than or equal to 5/1000 of full scale 0.25%FS=0.25 The measurement error is less than or equal to 2.5 thousandths of full scale 0.1% FS=0.1 The measurement error is less than or equal to one thousandth of the full scale
The higher the accuracy of the pressure sensor, the more expensive it is, and many customers do not understand the accuracy of the pressure sensor from a professional point of view in the choice of pressure sensor. In fact, the accuracy of the pressure sensor only needs to meet the accuracy requirements of the entire measuring system, and it does not have to be selected too high.
The accuracy of pressure sensors can also be affected by many factors. With the development of science and technology, the application of pressure sensors in daily life production is becoming more and more abundant and extensive. However, as a kind of instrumentation, pressure sensor is the most basic requirement for measurement accuracy.
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