A. Gauge Pressure Measurement – Gauge pressure is calculated with reference to the standard atmospheric pressure at sea degree (roughly 1013.twenty five mbar). Gauge pressure is optimistic when it is actually a lot more than atmospheric pressure, and negative when it can be under atmospheric pressure. A. Differential Pressure Measurement http://finnfl28z.webdesign96.com/14145548/the-ultimate-guide-to-pressure-gauge