|  | Ambient Weather WS-108 Handheld Altimeter, Barometer, Thermometer, Clock & Compass The Handheld Weather Station includes a digital clock, thermometer, altimeter, compass, and barometer (relative and absolute with sea-level correction), and a weather forecaster.
The Handheld Weather Station is big on features and functions, yet small on price and size, and features a convenient carabiner clip for simple carrying and quick access.
Includes a powerful backlight for nighttime operation.
Perfect for hiking, camping, running, biking, skiing, snowboarding, mountaineering, climbing, boating, kayaking, and outdoor activities, the Handheld Weather Station is a perfect backup to your GPS.
Manual available online
Important Note: Altimeters are often misunderstood because they do not measure your actual position on the earth (true altitude) such as a GPS, but measure the air pressure and predict the altitude based on this measurement.
This is referred to as “Pressure Altitude”.
Pressure Altitude is adversely affected by the true altitude and to a lesser extent, changes in the weather, often referred to as barometric pressure changes.
Thus, your Pressure Altitude can change without changing your position. These changes can be as great as a thousand feet (the changes due to weather are more pronounced at higher altitude).
To offset the difference between Pressure Altitude and True Altitude, you must calibrate the device at a known altitude, whenever convenient.
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 |  | Altimeter: | | | Working Range: -2,296 to 29,500 feet | | | Calibration compensates for barometric pressure effects | | | Resolution: 3 feet | | | Units: feet and meters | | | Maximum history altitude record | | | Altitude climb measurement | | | Barometer: | | | Relative and sea-level barometer | | | Units: inHg and mbar | | | Digital Compass: | | | 4-bearing mode display | | | External magnetic field calibration | | | Magnetic declination setting | | | Accuracy: +/- 3 degrees | | | 1 degree resolution | | | Units: degree and 16 compass point direction (N, NNE, NE,...) | | | Thermometer: | | | Range: 14 to 140 deg F | | | Units: degC and degF | | | Digital Clock: | | | Quartz Clock | | | 12 and 24 hour format | | | Hour, Minute | | | Weather Forecast: | | | Forecast 12 to 24 hours in advance | | | Icons indicate sunny, partly cloudy, cloudy and rain (at a fixed altitide) | | | Other Features: | | | 30 second super bright LED backlight | | | Adjustable bezel dial | | | Description: | | | Dimensions: 2.5 x 2.0 x 0.6 inches | | | Battery: 1 x CR2032 (included). Easy to replace. | |
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