There are three pressure measurement systems (lead crushers/LUP, copper crushers, and piezo), and two standard systems of measure units (USA/SAAMI and CIP/British/European) and two differing units (psi and tons and BAR in kg/cm sq) within each system, different proof laws by country, and differing proof laws by age.
Unfortunately, there is essential NO formula to convert BAR expressed as LUP (CIP) to PSI (SAAMI). LUP + 1000 does not reliably predict the actual piezoelectric transducer measured pressure.
That said, European (CIP) "standard" proof pressure of 850 kg per sq. cm. (BAR) = about 13,920 psi proof pressure = 10,730 psi service pressure (SAAMI)
Last edited by Drew Hause; 08-30-2013 at 08:37 PM..
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