Measuring pressures have many different applications which require proper encapsulating of the sensors, but at the core there is a limited amount of techniques.
To my understanding, the two leading technologies in high accuracy pressure sensing are:
- Measuring resonant frequencies in e.g. quartz crystals
- Piezo-electric elements
And there are two leading technologies in pressure transfer from ambient pressure to the pressure sensing element (force collectors)
- Bourdon tube
I found a easy to understand reference to precision and accuracy of pressure sensors Pressure sensor fundamentals: Interpreting accuracy and error. Here they divide Accuracy into the following categories
- Zero point error
- Span error
- Temperature impacts
- Long term drift
Most high accuracy sensors promise an accuracy of 0.01% of full scale, but how does this distribute among the different types of errors?
Are there any sensors promising significantly better accuracy?
Is there some technologies that are better than others on e.g. hysteresis or temperature impacts?
Has there been scientific comparisons between different sensors to measure these errors which constitute the total accuracy?
What is the best way of going about to find the sensor best suited for my purpose?