TDG is measured by creating a small gas pocket adjacent a pressure transducer, and isolating that gas pocket from the water with a polymer membrane.
|Range||600 to 800 mm Hg|
|Linearity||+1 mm Hg|
|Resolution||0.1 mm Hg|
|Units||mm of Hg|
|Calibration||no user calibration needed|
|Sensor Life||5+ years|
|Sensor Type||pressure transducer with gas-permeable membrane|