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There are many different types of pressure sensors such as the Bourdon Tube which is the most common pressure sensor in universal use and one that we use at my facility to activate dumps on certain vessels (Johnson, 2015).
There are many factors to consider when making a choice between pressure sensors.

What are you measuring? Are you measuring fluid or gas? If gas, then what kind of gas? Both Pirani and thermocouple gauges need to be calibrated for the type of gas being measured.
What are the expected pressures? If the pressures are very low, between 10-3atm to 10-13atm an ionization gauge could be used.
How accurate does the sensor need to be? This will also play a part in the price of the sensor.
Is there instrumentation in place to convert analog data to digital data?
How often does the sensor need to be calculated? Will there be a need to call in a third-party contractor to conduct the calibrations or will there be on sight technicians?
Operating environment. Will the sensor be open to the elements, in a temperature-controlled environment, subject to vibration, or subject to extremely high or low temperatures?
Price is always a factor. Not only the price of the sensor alone but the price of installing them, maintaining them, calibrations, and of course replacement costs and downtime.

Sensors are excellent tools and required in many applications and choosing the right sensor for the job can be a daunting task and should not be taken lightly as the possibility of a catastrophic failure can depend on a $20.00 sensor.
References
Johnson, C. D. (2015). Process Control Instrumentation Technology. In C. D. Johnson. pearson.

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