moving coil meter

简明释义

动圈式扬仪表

英英释义

例句

1.To troubleshoot the device, we connected a moving coil meter to check the resistance.

为了排除故障，我们连接了一个动圈电表来检查电阻。

2.The technician calibrated the moving coil meter to ensure accurate voltage readings.

技术人员校准了动圈电表以确保电压读数准确。

3.In the lab, we used a moving coil meter to measure the current flowing through the circuit.

在实验室，我们使用动圈电表测量电路中流过的电流。

4.The moving coil meter displays the measurement on a dial with a needle indicator.

动圈电表在带有指针指示器的刻度盘上显示测量值。

5.The moving coil meter is known for its high sensitivity and precision in measuring electrical quantities.

动圈电表以其在测量电气量方面的高灵敏度和精确度而闻名。

作文

The moving coil meter is a vital instrument in the field of electrical engineering and physics. It is primarily used to measure electric current and voltage in various devices and circuits. Understanding how a moving coil meter works is essential for students and professionals who deal with electrical measurements regularly. This device operates on the principle of electromagnetism, where a coil of wire is placed within a magnetic field. When an electric current passes through the coil, it generates a magnetic field of its own, which interacts with the external magnetic field. This interaction causes the coil to rotate, and the degree of rotation is proportional to the amount of current flowing through the wire. In practical applications, the moving coil meter is often used in analog voltmeters and ammeters. These meters provide a visual representation of electric current or voltage levels through a needle that moves across a calibrated scale. The simplicity and effectiveness of the moving coil meter make it a popular choice for both educational purposes and professional use. One of the key advantages of the moving coil meter is its accuracy. Unlike digital meters, which can sometimes be influenced by external factors such as electromagnetic interference, the moving coil meter provides a direct measurement that is less prone to fluctuations. Additionally, the analog display allows users to observe trends in current or voltage changes over time, which can be particularly useful in troubleshooting electrical issues. However, the moving coil meter does have some limitations. It is typically designed for low-voltage applications, making it unsuitable for measuring high voltages without additional components. Furthermore, the mechanical nature of the device means that it can be susceptible to wear and tear over time, potentially affecting its accuracy. Despite these drawbacks, the moving coil meter remains an important tool in laboratories and industries. It serves as a fundamental teaching aid for students learning about electrical circuits and instrumentation. By using a moving coil meter, students can gain hands-on experience with current and voltage measurements, reinforcing theoretical concepts learned in the classroom. In conclusion, the moving coil meter is a crucial instrument for anyone working with electrical systems. Its principles are rooted in electromagnetism, and its design allows for accurate and reliable measurements of current and voltage. While it has some limitations, its benefits far outweigh them, making it an indispensable tool in both educational and professional settings. As technology continues to evolve, understanding traditional instruments like the moving coil meter will remain relevant for future generations of engineers and technicians.

移动线圈表是电气工程和物理学领域的一种重要仪器。它主要用于测量各种设备和电路中的电流和电压。理解移动线圈表的工作原理对于定期处理电气测量的学生和专业人员来说至关重要。该设备基于电磁原理，电线圈置于磁场中。当电流通过线圈时，它会产生自身的磁场，并与外部磁场相互作用。这种相互作用导致线圈旋转，旋转的程度与通过电线的电流量成正比。在实际应用中，移动线圈表通常用于模拟电压表和电流表。这些仪表通过指针在标定刻度上移动，提供电流或电压水平的可视表示。移动线圈表的简单性和有效性使其成为教育和专业使用的热门选择。移动线圈表的一个主要优点是其准确性。与数字仪表不同，后者有时会受到电磁干扰等外部因素的影响，移动线圈表提供了直接的测量，不易受到波动的影响。此外，模拟显示使用户能够观察电流或电压随时间变化的趋势，这在排除电气故障时尤其有用。然而，移动线圈表也有一些局限性。它通常设计用于低电压应用，因此不适合在没有额外组件的情况下测量高电压。此外，设备的机械特性意味着它可能会随着时间的推移而磨损，从而影响其准确性。尽管存在这些缺点，移动线圈表仍然是实验室和工业中的重要工具。它作为学生学习电路和仪器的基本教学辅助工具。通过使用移动线圈表，学生可以获得电流和电压测量的实践经验，加深课堂上学习的理论概念。总之，移动线圈表是任何从事电气系统工作的人的关键仪器。其原理根植于电磁学，其设计允许对电流和电压进行准确可靠的测量。虽然它有一些局限性，但其好处远远超过这些局限，使其在教育和专业环境中不可或缺。随着技术的不断发展，理解传统仪器如移动线圈表将继续对未来一代工程师和技术人员保持相关性。