The Nautilus Barometer is state of the art in both accuracy and construction. It is perfect for use in any outdoor environment. The Nautilus Barometer can also be submerged in water for a period of time without damage.
Hydrophobic filter allows air to pass yet resists water
Waterproof to a depth of 3 feet for 30 minutes
Includes patented high sensitiv all metal aneroid movement with expanded scale so that the needle noticeably moves as weather conditions change
Scale ranges from 28.5 inches to 31.5 inches instead of traditional 27.5 inches to 31.5 inches Hg.