vacuum-tube voltmeter

简明释义

电子管电压表

英英释义

例句

1.Before digital meters became common, the vacuum-tube voltmeter was widely used by engineers.

在数字仪表普及之前，工程师们广泛使用真空管电压表。

2.To troubleshoot the circuit, the engineer connected a vacuum-tube voltmeter to check the voltage levels.

为了排除电路故障，工程师连接了一台真空管电压表来检查电压水平。

3.In the lab, we learned how to calibrate a vacuum-tube voltmeter for accurate readings.

在实验室里，我们学习了如何校准真空管电压表以获得准确的读数。

4.The vacuum-tube voltmeter is preferred in high-frequency applications due to its low noise.

在高频应用中，由于噪声低，真空管电压表受到青睐。

5.The technician used a vacuum-tube voltmeter to measure the voltage in the old radio circuit.

技术人员使用真空管电压表测量旧收音机电路中的电压。

作文

The development of electronic measuring instruments has significantly transformed the way we understand and interact with electrical circuits. Among these instruments, the vacuum-tube voltmeter stands out as a remarkable innovation that played a crucial role in the evolution of measurement technology. To grasp the significance of the vacuum-tube voltmeter (真空管电压表), it is essential to delve into its structure, functionality, and historical context.The vacuum-tube voltmeter is an instrument designed to measure the voltage in a circuit. It operates based on the principles of vacuum tubes, which are electronic devices that control electric current flow in a high vacuum between electrodes. The basic components of a vacuum-tube voltmeter include the vacuum tube itself, a high-resistance input circuit, and a calibrated meter for displaying the voltage reading. The high input resistance ensures that the voltmeter does not significantly affect the circuit being measured, allowing for accurate readings.Historically, the vacuum-tube voltmeter emerged during the early 20th century when vacuum tube technology was at its peak. Before the advent of solid-state devices, vacuum tubes were the backbone of electronic circuits, making them ideal for various applications, including amplification and switching. The introduction of the vacuum-tube voltmeter provided engineers and technicians with a reliable tool for diagnosing and troubleshooting electrical systems.One of the key advantages of the vacuum-tube voltmeter is its ability to measure both AC and DC voltages with high accuracy. This versatility made it popular in laboratory settings and industrial applications. Additionally, the vacuum-tube voltmeter can handle a wide range of input voltages, which further enhances its utility in various scenarios. However, despite its advantages, the vacuum-tube voltmeter also has limitations, such as its size and weight compared to modern digital voltmeters.In contemporary times, the vacuum-tube voltmeter has largely been replaced by digital multimeters and other advanced measuring devices. These modern instruments offer improved accuracy, portability, and ease of use. Nevertheless, the vacuum-tube voltmeter remains a significant part of electronic history and is still appreciated by enthusiasts and professionals who value vintage technology.In conclusion, the vacuum-tube voltmeter (真空管电压表) represents a pivotal advancement in the field of electrical measurement. Its design and functionality laid the groundwork for future developments in measuring instruments. Understanding the vacuum-tube voltmeter provides insight into the evolution of technology and the importance of precise measurements in the realm of electronics. As we continue to innovate and progress in the field of electrical engineering, it is essential to recognize the contributions of earlier technologies like the vacuum-tube voltmeter that have paved the way for modern advancements.

电子测量仪器的发展显著改变了我们理解和与电路互动的方式。在这些仪器中，真空管电压表作为一项卓越的创新，发挥了在测量技术演变中的关键作用。要掌握真空管电压表的重要性，有必要深入探讨其结构、功能和历史背景。真空管电压表是一种用于测量电路中电压的仪器。它基于真空管的原理工作，真空管是控制电流在高真空中在电极之间流动的电子设备。真空管电压表的基本组成部分包括真空管本身、高阻抗输入电路和用于显示电压读数的校准表。高输入阻抗确保电压表不会显著影响被测电路，从而实现准确的读数。历史上，真空管电压表出现在20世纪初，当时真空管技术正处于巅峰。在固态设备出现之前，真空管是电子电路的支柱，使其在各种应用中，包括放大和开关，成为理想选择。真空管电压表的引入为工程师和技术人员提供了一种可靠的工具，用于诊断和故障排除电气系统。真空管电压表的一个主要优点是能够高精度地测量交流和直流电压。这种多功能性使其在实验室和工业应用中广受欢迎。此外，真空管电压表可以处理广泛的输入电压，这进一步增强了其在各种场景中的实用性。然而，尽管有其优点，真空管电压表也有局限性，例如与现代数字电压表相比，其体积和重量较大。在当代，真空管电压表在很大程度上已被数字万用表和其他先进测量设备所取代。这些现代仪器提供了更好的准确性、便携性和易用性。然而，真空管电压表仍然是电子历史的重要组成部分，并受到那些珍视复古技术的爱好者和专业人士的欣赏。总之，真空管电压表（真空管电压表）代表了电气测量领域的一项关键进展。它的设计和功能为未来测量仪器的发展奠定了基础。理解真空管电压表有助于我们洞察技术的演变以及在电子领域精确测量的重要性。随着我们在电气工程领域的持续创新和进步，认识到早期技术如真空管电压表对现代进步的贡献至关重要。