It is possible to view part of the diaphragm on most pressure transducers and some which are completely exposed such as flush diaphragms are particular vulnerable to mechanical damage.
The first sign of damage may not actually be that detectable to the eye, instead it may show up as a small zero setting offset on the output signal. In some cases the damage maybe so severe that the diaphragm has completely ruptured compromising pressure containment or it is touching an internal component causing mechanical interference or an electrical short/open circuit.
Explanations for Measurement Accuracy Specifications
The way accuracy is defined for pressure instruments on technical data sheets can vary significantly across manufacturers and product types.
There are many contributing error factors which go into a total uncertainty calculation and the proportion contributed by each one will be different from one measurement technology to another.
There are many contributing error factors which go into a total uncertainty calculation and the proportion contributed by each one will be different from one measurement technology to another.
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