valve voltmeter

简明释义

电子管电压表

英英释义

例句

1.You should always use a valve voltmeter (阀电压表) when working with high-voltage systems.

在处理高压系统时，您应始终使用阀电压表（阀电压表）。

2.The valve voltmeter (阀电压表) displayed an unexpected reading, indicating a potential issue in the system.

阀电压表（阀电压表）显示了一个意外的读数，表明系统可能存在问题。

3.Before performing any maintenance on the circuit, it's essential to check the voltage using a valve voltmeter (阀电压表).

在对电路进行任何维护之前，检查电压是必需的，可以使用阀电压表（阀电压表）进行检查。

4.To troubleshoot the electrical circuit, we need to connect the valve voltmeter (阀电压表) at various points.

为了排查电路故障，我们需要在各个点连接阀电压表（阀电压表）。

5.The technician calibrated the valve voltmeter (阀电压表) to ensure accurate readings.

技术人员对阀电压表（阀电压表）进行了校准，以确保读数准确。

作文

In the world of electrical engineering, precision and accuracy are paramount. One of the essential tools used by engineers and technicians to measure voltage is the valve voltmeter. A valve voltmeter is a specialized instrument that utilizes vacuum tubes or valves to measure the electrical potential difference between two points in a circuit. This device is particularly valued for its high sensitivity and ability to provide accurate readings even in low-voltage applications. The principle behind a valve voltmeter is relatively simple. When a voltage is applied across the terminals of the voltmeter, it causes a small current to flow through the vacuum tube. The tube amplifies this current, allowing for a precise measurement of the voltage present. Unlike traditional digital voltmeters, which can sometimes be influenced by the load they place on a circuit, a valve voltmeter offers a more reliable reading due to its high input impedance. One of the most significant advantages of using a valve voltmeter is its ability to measure alternating current (AC) and direct current (DC) voltages with great accuracy. This versatility makes it an invaluable tool in various applications, from laboratory experiments to industrial settings. Engineers often prefer valve voltmeters when working with sensitive electronic components, as the minimal loading effect ensures that the components are not adversely affected during testing. Another noteworthy feature of the valve voltmeter is its durability and longevity. Vacuum tubes, while more fragile than modern semiconductor devices, can withstand higher voltages without failure. This characteristic allows valve voltmeters to operate effectively in environments where other measuring instruments might struggle. Additionally, many vintage audio enthusiasts and musicians appreciate the warm sound produced by vacuum tube equipment, further highlighting the significance of valve voltmeters in the realm of audio technology. Despite the advancements in digital technology, the valve voltmeter remains relevant today. Many engineers and hobbyists continue to use these devices, not only for their accuracy but also for the unique qualities that vacuum tubes bring to measurements. There is a certain charm associated with analog instruments, and the valve voltmeter embodies this nostalgia while still providing precise voltage readings. In conclusion, the valve voltmeter is more than just a measuring instrument; it represents a bridge between traditional and modern electrical engineering practices. Its ability to deliver accurate voltage measurements, combined with its historical significance, ensures that it will continue to be a staple in laboratories and workshops for years to come. Understanding the function and application of a valve voltmeter is crucial for anyone involved in electronics, as it provides insights into the fundamental principles of voltage measurement and the evolution of technology in this field.

在电气工程的世界中，精确性和准确性至关重要。工程师和技术人员用来测量电压的基本工具之一是阀电压表。阀电压表是一种专用仪器，利用真空管或阀门测量电路中两个点之间的电位差。该设备因其高灵敏度和能够在低电压应用中提供准确读数而受到重视。阀电压表背后的原理相对简单。当电压施加在电压表的端子上时，会导致小电流通过真空管流动。该管放大此电流，从而允许精确测量存在的电压。与传统的数字电压表不同，后者有时会受到其对电路施加负载的影响，阀电压表由于其高输入阻抗，提供了更可靠的读数。使用阀电压表的一个重要优点是它能够以极高的准确性测量交流电（AC）和直流电（DC）电压。这种多功能性使其在各种应用中不可或缺，从实验室实验到工业环境。工程师在处理敏感电子元件时通常更喜欢阀电压表，因为最小的负载效应确保在测试过程中不会对组件产生不利影响。阀电压表的另一个显著特点是其耐用性和长寿命。虽然真空管比现代半导体设备更脆弱，但可以承受更高的电压而不发生故障。这一特性使得阀电压表能够在其他测量仪器可能挣扎的环境中有效运行。此外，许多复古音频爱好者和音乐家欣赏真空管设备产生的温暖声音，进一步突显了阀电压表在音频技术领域的重要性。尽管数字技术取得了进步，阀电压表今天仍然相关。许多工程师和爱好者继续使用这些设备，不仅因为它们的准确性，还因为真空管带来的独特品质。与模拟仪器相关的某种魅力，阀电压表体现了这种怀旧，同时仍能提供精确的电压读数。总之，阀电压表不仅仅是一种测量仪器；它代表了传统与现代电气工程实践之间的桥梁。它提供准确的电压测量的能力，加上其历史意义，确保它将在实验室和车间中继续成为主流。理解阀电压表的功能和应用对于任何参与电子学的人来说都是至关重要的，因为它提供了对电压测量基本原理和该领域技术演变的深入见解。