Outdoor compass, altitude meter, altimeter, barometer, thermometer 2025
Product name: Altimeter and barometer with compass and thermometer
Model: BKT381 Weight: 180g
Packaging size: 14.5cm*11cm*3.5cm
1. Measuring range: (altitude) 0~5000m; (air pressure) 580~1040hPa; (temperature) -30℃~50℃
2. Resolution: 20m
3. Specifications: 85mm long × 68mm wide × 28mm high, dial diameter 60mm
4. Measurement accuracy error: 0 to 3000m height error plus or minus 30m, above 3000m error plus or minus 50m Air pressure error plus or minus 5 hPa
5. Storage conditions: temperature between -30℃ and 65℃; humidity less than 90%
Product Overview: This product is a barometer altimeter with a built-in sensitive air pressure sensor that can measure the real-time atmospheric pressure value of the location; due to the principle that altitude and atmospheric pressure are inversely proportional, it can be used to measure relative altitude; after the altitude value is corrected, the real-time altitude can also be measured.
This product is widely used for air pressure measurement, as well as outdoor occasions such as mountaineering and fishing, but it is not recommended for geographical surveys! For details, please see the graphic description below.
The compass and small thermometer are only decorative. After all, they are too small and not very sensitive. If you want to use these two functions, please search for professional compasses and thermometers in this store.
I. Product Introduction
1. This product is designed based on the physical principles:
(1) Air pressure decreases with increasing altitude;
(2) Changes in air pressure will lead to changes in weather, which will be displayed on the dial of this altimeter through a high-precision transmission device. This device can accurately measure the height of the location (absolute height), height difference, atmospheric pressure and predict weather changes.
2. No batteries and chargers are required, no maintenance and repair are required, it is a good tool worthy of trust;
3. Future weather changes can be predicted based on the air pressure value, so that you can be prepared;
4. Easy to carry and reasonable design, it brings ease and convenience to your outdoor sports.
Note: The compass and thermometer provided are not suitable for occasions with high accuracy requirements!
2. Introduction to use
1. Absolute height measurement
The altimeter should be initialized before use (or after purchase) (see the above diagram for operation), that is, the altimeter number is adjusted to the actual local altitude. Please note at this time: please refer to the marked altitude on the map (you can also check the local altitude on the Internet and the local meteorological bureau) to calibrate the exact altitude of the location. In addition, changes in air pressure and weather will also continuously affect the altitude value, so it is necessary to constantly compare the reference altitude value during climbing or walking.
For example: The altitude of the starting point A is 200 meters from the Meteorological Bureau. The altimeter pointer is adjusted to 200. When the altimeter reaches position B, the dial scale is 1500, so the altitude of point B is 1500 meters.
2. Relative altitude
During mountaineering or travel, if you need to measure the environmental altitude value, please follow the following two steps:
(1) Initialize the altimeter at the starting point, that is, only align it with the 0 scale;
(2) During the travel or at the end point, the scale value displayed on the dial is the altitude value relative to the starting point
For example: At the starting point A, the altimeter is adjusted to 0 scale. When the altimeter reaches position B, the dial scale is 1500, which means that the altitude of point B is 1500 meters higher than that of point A.
Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store
| Brand | Unbranded |
|---|---|
| Product ID | 455209490-959403580 |
| EAN | 9112108235138 |
Please see the product safety information specific to this product outlined below
The following information is provided by the independent third-party retailer selling this product.
Product Safety Labels
The following information outlines the contact information for the responsible person in the EU. The responsible person is the designated economic operator based in the EU who is responsible for the compliance obligations relating to the relevant product sold into the European Union.
| QAR21.49 | STANDARD: | Estimated delivery date Fri 22 May 2026 ─ Mon 01 June 2026 |
Product is shipped from China.
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Please see the compliance information specific to this product outlined below.
The following information is provided by the independent third-party retailer selling this product.
Manufacturer
The following information outlines the contact details for the manufacturer of the relevant product sold on Fruugo.
- Viagf
- Shenzhen Wana Jewelry Co., Ltd.
- Building 2, Factory 607, Qiling North Road, Jishengchang Industrial Zone
- Shentech Park, Luogang Community, Buji Subdistrict, Longgang District
- Shenzhen
- CN
- 518100
- [email protected]
- 8617727548700
Responsible Person in the EU
The following information outlines the contact information for the responsible person in the EU. The responsible person is the designated economic operator based in the EU who is responsible for the compliance obligations relating to the relevant product sold into the European Union.
- SUCCESS COURIER SL
- SUCCESS COURIER SL
- CALLE RIO TORMES NUM.1,PLANTA 1,DERECHA, OFICINA
- Madrid
- ES
- 28947
- [email protected]
- +34 910602659