All barometers are calibrated for 2000 feet below seat level. They will not operate correctly if used above 2000 ft above.
Clearly displays the atmospheric pressure used especially when forecasting weather.
Corrosion resistant ABS material
All Barometers are calibrated for sea level.
Scratch-resistant acrylic lens
Be your own Meteorologist. Simple to use, highly accurate, and attractive to display, the Coastline Barometer can help you forecast oncoming weather systems. This patent pending design is a digital to analog barometer. If you're serious about accurate readings and would prefer a more traditional analog style when it comes to barometers look no further. The Coastline barometer is ultra simple to adjust, requiring only the touch of one button. Matching Coastline Time & Tide Clock available. Enter "Coastline Tide & Tide Clock" in the Amazon Search.