SISCO portable digital baro altimeter is based on electronic orientation sensor and air pressure sensor technology. It can be used directly without any settings and is designed for outdoor use. The detachable lanyard makes the digital compass a perfect handheld device for various outdoor activities.
Multifunctional Baro Altimeter
Practical and Innovative Design
Power Condition of Handheld Digital Altimeter Barometer Compass
An outdoor altimeter barometer is an essential tool for various outdoor activities, providing critical information on altitude and atmospheric pressure. Hikers and climbers use it to monitor their ascent and ensure they are on the correct path, while mountaineers rely on it for precise altitude readings in high-altitude environments. In addition, outdoor enthusiasts such as skiers and snowboarders benefit from its ability to track elevation changes and predict weather shifts based on pressure trends. This device is also invaluable for adventure racers and backpackers who need to navigate challenging terrains and plan their routes accurately.
Model | SISCO-ALM-FR302 |
Altimeter | |
Measuring Range | -2296 ft to 29500ft ( -700m to 9000m) |
Resolution | 1m/3ft |
Barometer | |
Measuring Range | 300mbar to 1100mbar |
Resolution | 0.1mbar |
Electronic Compass | |
Display Mode | 8-position mode display |
Function | External magnetic field correction |
Accuracy | ±3°C |
Resolution | 1° |
Thermometer | |
Measuring Range | -10℃~+60℃ (℃ and ℉ units are optional) |
Resolution | 1° |
Weather Forecast and Time | |
Forecast Range | the next 12 to 24 hours |
Forecast 4 Weather Conditions | Sunny-Sunny to Cloudy -Cloudy-Rain |
Time Display Mode | 24 hour time format |
Digital Backlight | 5 seconds high brightness blue LED electronic backlight |
Power | 2* AAA-7 batteries |
Size | 90mm×50mm×20mm |
Weight | 60g |
Material | ABS |
Color | Silver Gray |
Q1: What does the altimeter 29.92 mean?
A1: The altimeter reading of 29.92 refers to the barometric pressure setting in inches of mercury (inHg) that is used to calibrate an altimeter. Specifically, 29.92 inHg is the standard sea-level pressure in the International Standard Atmosphere (ISA). When an altimeter is set to 29.92 inHg, it indicates that the instrument is using this standard pressure to calculate altitude. This setting is commonly referred to as the "standard pressure setting" and is used by pilots when flying at altitudes known as flight levels (e.g., FL180, which is 18,000 feet above sea level in the standard atmosphere).
Q2: How often should I change the altimeter setting in aviation?
A2: In aviation, it is necessary to adjust the altimeter setting frequently to ensure accurate altitude readings. Typically, pilots set the altimeter to local barometric pressure (QNH) when descending below the transition altitude, and to standard pressure (QNE) above it. Additionally, the altimeter setting should be adjusted approximately every 1000 feet of ascent or descent to accommodate changes in atmospheric pressure, ensuring precise altitude awareness for flight safety.
Q3: Does weather affect the outdoor digital baro altimeter?
A3: Weather can significantly impact the accuracy of a digital barometric altimeter by causing fluctuations in atmospheric pressure. As weather systems like high and low-pressure areas move through an area, they can cause rapid changes in atmospheric pressure, which directly affects the altimeter's ability to accurately measure altitude. Temperature changes also play a role, as they influence air density and subsequently atmospheric pressure. While digital barometric altimeters are equipped with features like temperature compensation to mitigate these effects, extreme weather conditions such as severe storms or rapid temperature shifts may still necessitate recalibration to maintain precise altitude readings. Users must monitor weather conditions closely and potentially recalibrate their altimeters as needed to ensure reliable performance.
Tips: What are the arrows on the digital altimeter barometer?
The arrows on an altimeter typically indicate the trend in altitude change. Here's how they generally work:
These arrows help pilots and users of altimeters quickly assess their vertical speed without needing to read the exact altitude change in feet per minute. It's a valuable visual aid for maintaining stable flight or ascent/descent rates.
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