Overpressure

or Proof Pressure is the maximum pressure that can be applied to a pressure instrument without significantly effecting its reading accuracy. Some manufacturers will state a maximum calibration shift following an over-pressure condition where others will state that the specification is unaffected.
Found on http://www.sensorsone.co.uk/pressure-measurement-glossary.html

Overpressure

O'ver·pres'sure noun Excessive pressure or urging. London Athenæum.
Found on http://www.encyclo.co.uk/webster/O/55

overpressure

noun a transient air pressure greater than the surrounding atmospheric pressure; `the overpressure of the blast kills by lethal concussion`
Found on https://www.encyclo.co.uk/local/20974

Overpressure

• (n.) Excessive pressure or urging.
Found on http://thinkexist.com/dictionary/meaning/overpressure/

Overpressure

Overpressure (or blast overpressure) is the pressure caused by a shock wave over and above normal atmospheric pressure. The shock wave may be caused by sonic boom or by explosion, and the resulting overpressure receives particular attention when measuring the effects of nuclear weapons or thermobaric bombs. == Effects of overpressure == According ...
Found on http://en.wikipedia.org/wiki/Overpressure

Overpressure

Overpressure
Found on http://en.wikipedia.org/wiki/Glossary_of_fuel_cell_terms
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