neon voltmeter

简明释义

氖伏特计

英英释义

例句

1.The technician used a neon voltmeter to ensure the circuit was live.

技术员使用霓虹电压表来确保电路是通电的。

2.During the safety inspection, the engineer measured the voltage with a neon voltmeter.

在安全检查期间，工程师用霓虹电压表测量了电压。

3.Before starting the electrical work, I checked the voltage with a neon voltmeter.

在开始电气工作之前，我用霓虹电压表检查了电压。

4.He relied on his neon voltmeter to diagnose the electrical issue.

他依靠他的霓虹电压表来诊断电气问题。

5.A neon voltmeter is essential for testing low voltage appliances.

对于测试低电压设备，霓虹电压表是必不可少的。

作文

In the realm of electrical engineering and measurement, the neon voltmeter plays a crucial role in providing accurate voltage readings. This device is particularly notable for its simplicity and effectiveness in measuring low voltages, making it an essential tool for both professional electricians and hobbyists alike. Understanding the functionality and application of the neon voltmeter can significantly enhance one's ability to work with electrical systems safely and efficiently.The neon voltmeter operates on a basic principle involving the ionization of neon gas. When a voltage is applied across the terminals of the voltmeter, the neon gas inside the device becomes ionized at a specific threshold voltage, typically around 90 volts. This ionization causes the gas to emit a bright glow, which serves as an indicator of the presence of voltage. The brightness of the glow can provide a visual cue regarding the voltage level, allowing users to gauge whether the voltage is above or below the ionization threshold.One of the key advantages of the neon voltmeter is its ease of use. Unlike more complex digital multimeters, which may require calibration and a thorough understanding of electronic principles, the neon voltmeter is straightforward and intuitive. Users simply connect the probes to the circuit they wish to measure, and the glowing neon light provides immediate feedback. This simplicity makes it an ideal choice for quick checks and assessments in various electrical applications.Moreover, the neon voltmeter is highly portable and does not require a power source, which adds to its convenience. It can be used in remote locations or situations where access to electricity is limited. This feature is particularly beneficial for field technicians who may need to troubleshoot electrical systems in diverse environments. The compact design also allows for easy storage and transport, making it a staple in many toolkits.However, it is important to note that while the neon voltmeter is effective for measuring AC voltages, it has limitations when it comes to measuring DC voltages. Additionally, the device is not suitable for high-voltage applications, as the ionization process can only occur within a specific range. For professionals dealing with high voltages or requiring precise measurements, alternative devices such as digital voltmeters may be more appropriate.In conclusion, the neon voltmeter is a valuable tool in the field of electrical measurement, offering simplicity, portability, and ease of use. Its ability to provide quick visual feedback on voltage levels makes it a popular choice among electricians and DIY enthusiasts. By understanding how to effectively utilize the neon voltmeter, individuals can enhance their skills in handling electrical circuits, ensuring safety and efficiency in their work. As technology continues to advance, the neon voltmeter remains a classic example of effective engineering that meets the needs of users in various electrical applications.

在电气工程和测量领域，霓虹电压表在提供准确的电压读数方面发挥着至关重要的作用。该设备尤其因其简单性和有效性而受到关注，适用于测量低电压，使其成为专业电工和爱好者的重要工具。理解霓虹电压表的功能和应用可以显著提升一个人在安全高效地处理电气系统方面的能力。霓虹电压表的工作原理基于氖气的电离。当电压施加到电压表的端子时，设备内部的氖气在特定的阈值电压下（通常约为90伏）被电离。这种电离使气体发出明亮的光芒，作为电压存在的指示器。光芒的亮度可以提供有关电压水平的视觉提示，使用户能够判断电压是高于还是低于电离阈值。霓虹电压表的一个主要优点是其易用性。与可能需要校准和深入理解电子原理的更复杂的数字万用表不同，霓虹电压表简单直观。用户只需将探头连接到他们希望测量的电路上，发光的霓虹灯就会提供即时反馈。这种简单性使其成为各种电气应用中快速检查和评估的理想选择。此外，霓虹电压表非常便携，不需要电源，这增加了其便利性。它可以在偏远地点或电力供应有限的情况下使用。这一特点对于需要在各种环境中排查电气系统的现场技术人员尤为有利。紧凑的设计也便于存储和运输，使其成为许多工具包中的必备品。然而，重要的是要注意，虽然霓虹电压表在测量交流电压方面有效，但在测量直流电压时存在局限性。此外，该设备不适合高电压应用，因为电离过程只能在特定范围内发生。对于处理高电压或需要精确测量的专业人员来说，数字电压表等替代设备可能更为合适。总之，霓虹电压表是电气测量领域中的一种宝贵工具，提供了简单性、便携性和易用性。它能够快速提供电压水平的视觉反馈，使其成为电工和DIY爱好者的热门选择。通过理解如何有效利用霓虹电压表，个人可以提高处理电路的技能，确保他们工作的安全性和效率。随着技术的不断进步，霓虹电压表仍然是满足各种电气应用用户需求的经典有效工程示例。