aneroid altimeter

简明释义

无液测高计

英英释义

例句

1.During the mountain hike, I relied on my aneroid altimeter to track our elevation gain.

在登山徒步旅行中，我依靠我的气压高度计来跟踪我们的海拔升高。

2.The aneroid altimeter in my watch helps me navigate through the changing terrain.

我手表中的气压高度计帮助我在变化的地形中导航。

3.The pilot checked the aneroid altimeter before takeoff to ensure the aircraft was at the correct altitude.

飞行员在起飞前检查了气压高度计以确保飞机处于正确的高度。

4.An aneroid altimeter is essential for climbers to avoid altitude sickness.

对于登山者来说，气压高度计是避免高原反应的必备工具。

5.He calibrated his aneroid altimeter to the local sea level before starting the ascent.

他在开始攀登之前将他的气压高度计校准到当地海平面。

作文

An aneroid altimeter is a crucial instrument used in aviation, hiking, and various outdoor activities to measure altitude without the use of liquid. Unlike traditional barometric altimeters that rely on mercury or other fluids, the aneroid altimeter utilizes a series of flexible metal capsules that expand and contract with changes in atmospheric pressure. This makes it a lightweight and portable option for individuals who need to determine their elevation above sea level. The operation of an aneroid altimeter is based on the principle that as altitude increases, atmospheric pressure decreases. When a hiker climbs a mountain, for example, the air pressure around them diminishes, causing the metal capsules inside the device to expand. This movement is mechanically linked to a needle that indicates the altitude on a dial. It is important for users to calibrate their aneroid altimeter before starting their ascent, ensuring that they have an accurate baseline measurement. In aviation, pilots rely heavily on aneroid altimeters to navigate safely through different flight levels. These altimeters are often integrated into the aircraft's instruments and provide real-time data on the plane's altitude. Accurate altitude readings are essential for maintaining safe distances from the ground and avoiding collisions with other aircraft. Moreover, pilots must also adjust their aneroid altimeter settings based on local atmospheric pressure conditions, which can change frequently. One of the advantages of using an aneroid altimeter is its durability and resistance to extreme conditions. Many models are designed to withstand harsh weather, making them ideal for mountaineers and adventurers. Furthermore, because they do not contain liquids, there is no risk of spillage or breakage, which adds to their reliability. However, it is worth noting that aneroid altimeters can be less accurate than electronic altimeters, especially at higher elevations where pressure changes are more pronounced. Therefore, for critical applications, such as in commercial aviation, pilots may prefer to use digital altimeters that provide more precise readings. Nevertheless, the aneroid altimeter remains a popular choice among outdoor enthusiasts due to its simplicity and ease of use. In conclusion, the aneroid altimeter is an invaluable tool for anyone needing to measure altitude. Its mechanical design allows for accurate altitude readings based on atmospheric pressure changes, making it ideal for hikers, pilots, and adventurers alike. Despite some limitations in accuracy compared to electronic alternatives, its durability and portability make it a favored choice in many outdoor scenarios. Understanding how to properly use and calibrate an aneroid altimeter can greatly enhance one’s experience in the great outdoors, providing essential information about elevation and aiding in navigation.

无液体的关键仪器，广泛用于航空、远足和各种户外活动，以测量海拔高度。与依赖于水银或其他液体的传统气压高度计不同，aneroid altimeter 利用一系列可随气压变化而膨胀和收缩的金属胶囊。这使其成为一种轻便且便携的选择，适合需要确定海平面以上高度的个人。aneroid altimeter 的操作基于这样一个原理：随着高度增加，气压降低。例如，当远足者攀登山峰时，周围的气压减小，导致设备内部的金属胶囊膨胀。这种运动与指示表盘上高度的指针机械连接。用户在开始上升之前必须校准他们的 aneroid altimeter，以确保他们有一个准确的基准测量。在航空中，飞行员非常依赖 aneroid altimeter 来安全地穿越不同的飞行高度。这些高度计通常集成在飞机仪器中，提供实时的高度数据。准确的高度读数对于保持与地面的安全距离和避免与其他飞机的碰撞至关重要。此外，飞行员还必须根据当地的气压条件调整 aneroid altimeter 的设置，这些条件可能会频繁变化。使用 aneroid altimeter 的一个优点是其耐用性和对极端条件的抵抗力。许多型号设计为能够承受恶劣天气，非常适合登山者和冒险者。此外，由于它们不含液体，因此没有泄漏或破损的风险，这增加了其可靠性。然而，值得注意的是，aneroid altimeter 在高海拔时可能不如电子高度计准确，因为在高海拔时气压变化更明显。因此，对于关键应用，如商业航空，飞行员可能更喜欢使用提供更精确读数的数字高度计。然而，aneroid altimeter 仍然是户外爱好者的热门选择，因为它简单易用。总之，aneroid altimeter 是任何需要测量海拔高度的人的宝贵工具。其机械设计允许基于气压变化进行准确的高度读数，使其非常适合远足者、飞行员和冒险者。尽管与电子替代品相比存在一些准确性限制，但其耐用性和便携性使其在许多户外场景中成为受欢迎的选择。了解如何正确使用和校准 aneroid altimeter 可以大大增强人们在户外的体验，提供有关海拔的重要信息，并帮助导航。