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    Handheld Digital Altimeter Barometer Compass

    This handheld digital altimeter barometer is an ideal equipment for outdoor sports enthusiasts and provides a wide range of necessary and relatively accurate information, such as electronic altimeter, weather forecast, altitude meter, compass, barometer, clock, level gauge and calendar.
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    🔙 30-day returns
    📅 Delivery: 7-12 days

    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.

    Handheld digital altimeter barometer compass details

    Multifunctional Baro Altimeter

    • High-quality ABS material, corrosion-resistant and can be used under harsh conditions. Resistant to atmospheric corrosion.
    • Clearly LCD Display with Electronic Backlight: with 5 seconds high brightness blue backlight. 
    Handheld digital altimeter barometer compass function details

    Practical and Innovative Design

    • Equipped with functions of weather forecast + temperature meter + altimeter + compass + barometer + clock + level gauge + calendar.
    • Fashionable and sporty appearance: Ergonomically designed to adapt to a variety of complex environments.
    Handheld digital altimeter barometer compass battery

    Power Condition of Handheld Digital Altimeter Barometer Compass

    • Power: Use 2 AAA-7 batteries, not approve recharge.
    • Power Saving Design: To enter sleep mode, press and hold the [SET] button for about 5 seconds, which will blank the screen. Press any button to wake the device and restore the previous display.
      Note: Sea level pressure needs to be reset after replacing the battery or after one year of operation.


    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.

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    Model SISCO-ALM-FR302
    Measuring Range -2296 ft to 29500ft ( -700m to 9000m)
    Resolution 1m/3ft
    Measuring Range 300mbar to 1100mbar
    Resolution 0.1mbar
    Electronic Compass
    Display Mode 8-position mode display
    Function External magnetic field correction
    Accuracy ±3°C
    Measuring Range -10℃~+60℃ (℃ and ℉ units are optional)
    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


    Dimensions (mm)

    Handheld digital altimeter barometer compass dimension


    Handheld digital altimeter barometer compass button details

    Packing List

    • 1 x Altimeter
    • 1 x Box
    • 1 x String
    • 1 x User manual
      Handheld digital altimeter barometer compass packing lists

    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:

    • Single Arrow (Up or Down): This arrow indicates whether your altitude is increasing (up arrow) or decreasing (down arrow) at a rate of at least 100 feet per minute (fpm). It's a quick visual indicator of your current rate of climb or descent.

    • Double Arrow (Up or Down): If you see two arrows pointing up or down, it means your rate of climb or descent is greater than 1000 fpm. This serves as a warning that you are ascending or descending rapidly.

    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.


    Thank you for buying industrial test and measurement equipment on, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.

    What is covered?

    SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.

    What is not covered?

    • Product purchased from anyone other than a SISCO store or a SISCO authorized reseller.
    • Expendable parts.
    • Routine cleaning or normal cosmetic and mechanical wear.
    • Damage from misuse, abuse or neglect.
    • Damage from use of parts other than SISCO approved.
    • Damage from use outside the product’s usage or storage parameters.
    • Damage from use of parts not sold by SISCO.
    • Damage from modification or incorporation into other products.
    • Damage from repair or replacement of warranted parts by a service provider other than a SISCO authorized service provider.
    • Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
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