Measuring device with For compass curve meter for map distance, suitable for accurate measurement of curved routes and mileage distance

Features:How to use the measuring device.When you roll between two points on the map, the distance measuring pointer rotates accordingly. Record this value according to the corresponding scale, and then multiply it by the scale factor to get the actual distance between the two points, which is much more accurate than the straight-line distance measured with a ruler; the map distance meter can measure mileage distance conveniently and quickly, and is specially used to measure the actual distance of curved routes on the map.Precautions.1. Use horizontally to for ensure the highest possible accuracy.2. To avoid misalignment of the magnet, keep a certain distance from the screen and magnetic objects when using it.3. Do not hit the object with the tape measure, as this may affect the measurement accuracy;4. Keep the for surface of the disc and lens clean, and do not wipe it with a dirty cloth or hand;5. It should be turned off when not in use, and do not place it near ferromagnetic materials to avoid losing magnetism.Specifications:Part name: map measuring instrumentColor: blackSize ：95*45*12mmMaterial: aluminum alloy ABS acrylicUse: distance meterPackage Contents：1 * map measuring instrument

• [EFFICIENT MEASUREMENT TOOL] The map distance meter allows for quick and efficient measurement of curved distances, making it an essential tool for cartographers and adventurers alike.
• [EASY TO USE] Simply roll the device along your desired route on the map; the pointer will rotate accordingly to provide accurate readings with ease.
• [ CONSTRUCTION] Made from aluminum alloy and ABS acrylic, this instrument is designed to last while providing consistent performance.
• [COMPACT AND LIGHTWEIGHT] Measuring just 95 x 45 x 12mm, it fits easily into pockets or bags for convenient portability during travel or outdoor activities.
• [SIZING REMINDER] Remember to check your specific measurement requirements rather than relying solely on scales.