milliampere meter

简明释义

毫安表

英英释义

例句

1.The milliampere meter (毫安表) displayed a reading of 50 mA, indicating normal operation.

该毫安表（毫安表）显示的读数为50毫安，表示正常运行。

2.When troubleshooting the device, I connected a milliampere meter (毫安表) to check for any current leaks.

在排除设备故障时，我连接了一个毫安表（毫安表）来检查是否有电流泄漏。

3.The technician calibrated the milliampere meter (毫安表) before starting the test.

在开始测试之前，技术人员对毫安表（毫安表）进行了校准。

4.In order to monitor the power consumption, we installed a milliampere meter (毫安表) in the electrical panel.

为了监测电力消耗，我们在电气面板中安装了一个毫安表（毫安表）。

5.To measure the current flowing through the circuit, we used a milliampere meter (毫安表) to ensure accuracy.

为了测量电路中的电流，我们使用了一个毫安表（毫安表）以确保准确性。

作文

In the world of electronics and electrical engineering, precise measurements are crucial for ensuring the safety and functionality of devices. One of the essential tools used in this field is the milliampere meter, which is a device designed to measure small currents in the milliampere range. Understanding how to use and interpret the readings from a milliampere meter is vital for anyone working with electronic circuits, as it helps diagnose issues and optimize performance.The term milliampere meter refers to an instrument that measures current in milliamperes (mA), where one milliampere is one-thousandth of an ampere. This level of precision is necessary because many electronic components, such as LEDs and transistors, operate at very low current levels. For instance, an LED may require only 20 mA to function correctly, making the use of a milliampere meter indispensable when testing and troubleshooting these components.To use a milliampere meter, you typically connect it in series with the circuit you wish to measure. This means that the current flowing through the circuit also flows through the meter. Before connecting the meter, it’s essential to ensure that it is set to the correct range; most modern milliampere meters are digital and can automatically select the appropriate range. Once connected, the meter will display the current flowing through the circuit, allowing the user to assess whether it falls within acceptable limits.One common application of the milliampere meter is in the testing of power supplies. When designing or repairing power supply circuits, engineers need to verify that the output current meets the specifications required by the connected devices. By using a milliampere meter, they can ensure that the current is neither too high, which could damage sensitive components, nor too low, which could prevent devices from functioning properly.Another important use of the milliampere meter is in the field of telecommunications. In communication devices, maintaining the correct current levels is essential for signal integrity and overall performance. Engineers use milliampere meters to monitor current levels in various parts of the communication system, ensuring that everything operates efficiently.Moreover, the milliampere meter is not limited to professional use. Hobbyists and students in electronics often utilize this tool for educational purposes. Learning to read a milliampere meter helps them understand the principles of current flow and circuit design. It provides hands-on experience that reinforces theoretical knowledge, making it an invaluable part of any electronics education.In conclusion, the milliampere meter is a fundamental instrument in the field of electronics, enabling accurate measurement of small currents. Its applications range from professional engineering tasks to educational purposes, illustrating its versatility and importance. By mastering the use of a milliampere meter, individuals can enhance their understanding of electrical circuits and improve their skills in troubleshooting and design. Whether you are a seasoned engineer or a budding electronics enthusiast, familiarity with the milliampere meter is essential for success in the field of electronics.

在电子和电气工程的世界中，精确的测量对于确保设备的安全性和功能至关重要。一个在这一领域中使用的基本工具是毫安表，它是一种用于测量毫安范围内小电流的设备。理解如何使用和解读毫安表的读数对于任何从事电子电路工作的人来说都是至关重要的，因为它有助于诊断问题并优化性能。术语毫安表指的是一种测量毫安（mA）电流的仪器，其中一个毫安是安培的千分之一。这种精度是必要的，因为许多电子元件，如LED和晶体管，工作在非常低的电流水平。例如，一个LED可能只需要20毫安才能正常工作，这使得在测试和故障排除这些组件时使用毫安表变得不可或缺。要使用毫安表，通常需要将其串联连接到你希望测量的电路中。这意味着流经电路的电流也流经仪表。在连接仪表之前，确保它设置在正确的范围是至关重要的；大多数现代毫安表是数字式的，可以自动选择合适的范围。一旦连接，仪表将显示流经电路的电流，使用户能够评估其是否在可接受的范围内。毫安表的一个常见应用是在电源测试中。当设计或修理电源电路时，工程师需要验证输出电流是否符合连接设备所需的规格。通过使用毫安表，他们可以确保电流既不太高，以免损坏敏感组件，也不太低，以免阻止设备正常工作。毫安表的另一个重要用途是在电信领域。在通信设备中，维持正确的电流水平对于信号完整性和整体性能至关重要。工程师使用毫安表来监测通信系统各部分的电流水平，确保一切高效运行。此外，毫安表不仅限于专业使用。电子爱好者和学生经常利用这个工具进行教育目的。学习读取毫安表帮助他们理解电流流动和电路设计的原理。它提供了实践经验，强化了理论知识，使其成为任何电子教育中不可或缺的一部分。总之，毫安表是电子领域的基本仪器，能够准确测量小电流。它的应用范围从专业工程任务到教育目的，展示了它的多功能性和重要性。通过掌握毫安表的使用，个人可以增强对电路的理解，提高故障排除和设计技能。无论你是经验丰富的工程师还是初学者，熟悉毫安表对于在电子领域取得成功至关重要。