The Proteus is a temperature compensated aneroid barometric pressure display.
Accurate to within +/-0.08 inches of mercury. The dial reads in inches of mercury and kPa and is equipped with a resettable needle pointer used to mark changes in pressure. Cutaway dial window reveals and heirloom-quality French barometric movement.
Available with a silver or black face.
Brass surround is standard. Optional extra satin nickel or chrome casing available.
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