Originally Posted by SECS
The peak data will ALWAYS read higher than a gauge.
For the reasons explained above.
I.E. The monitor reacts MUCH quicker that a gauge and records the peak.
Check the ZERO points are about the same.
Zero is actually 14.5 psi in absolute pressure terms
(The pressure of the atmosphere).
Simon, am i mis-understnading you completely
The peak data was lower than my gauge reading, but you are saying that the peak data will always read higher than a gauge.