Engineering Tip: When running downhole pressure gauges, try to run pressure gauges that have a pressure transducer as close to the maximum bottomhole pressure as possible.
For instance, if you are running gauges into a well with 5,000 psi bottomhole pressure, try to run 6,000 psi gauges, rather than 15,000 psi gauges. Doing this will yield more accurate data. Most downhole gauges have an accuracy around 0.02% of full scale, which means that a 6,000 psi gauge has an accuracy of +/- 1.2 psi, whereas 15,000 psi gauges have an accuracy of +/- 3.0 psi. The lesser the gauge transducer, the more accurate the data.
Obviously, you do not want to overpressure the gauge, so be cautious when choosing a gauge. Whenever possible, using a lower pressure transducer will generally yield better data.