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- 18th December 2016, 22:47 #1
gauge vs open-ended differential pressure sensors
Working on a pressurized device using gauge sensors. Not much experience there, but generally spoken, is it correct that an gauge sensor rated for 1psi do the same as an 2psi differential pressure sensor where one end is left open/unconnected in free atmosphere?
Please apologize if I am all wrong on this...
- 18th December 2016, 22:47
18th December 2016, 23:21 #2
- Join Date
- May 2015
- Melbourne, Australia
- 737 / 737
Re: gauge vs open-ended differential pressure sensors
A gauge sensor and differential sensor are exactly the same.
Only difference is the gauge sensor has only one external connection, the atmospheric port is inside and not accessible.
A differential sensor has two external ports, but you can just leave one open to atmosphere and use the other as a gauge port.
Both will read pressure above (or below) atmospheric, and they will read the same.
- 18th December 2016, 23:21
18th December 2016, 23:27 #3