differential voltmeter

简明释义

差动电压表

英英释义

例句

1.We used a differential voltmeter to measure the voltage difference across the resistors in the circuit.

我们使用了一个差动电压计来测量电路中电阻器之间的电压差。

2.The technician connected the differential voltmeter to both terminals to check for any discrepancies.

技术员将差动电压计连接到两个端子，以检查是否存在任何差异。

3.The differential voltmeter is essential for accurately detecting small voltage variations in sensitive electronic equipment.

对于精密电子设备，差动电压计对于准确检测微小电压变化至关重要。

4.Using a differential voltmeter helped us identify the faulty component in the circuit.

使用差动电压计帮助我们找到了电路中的故障元件。

5.In our lab, we calibrated the differential voltmeter before performing the experiments.

在我们的实验室里，我们在进行实验之前对差动电压计进行了校准。

作文

In the realm of electrical engineering and instrumentation, precision is paramount. Engineers and technicians often rely on various tools to measure electrical quantities accurately. One such instrument that plays a crucial role in this domain is the differential voltmeter. A differential voltmeter is a specialized device used to measure the voltage difference between two points in an electrical circuit without being affected by the common-mode voltage present at both points. This unique capability makes it indispensable in many applications where accuracy is critical.The operation of a differential voltmeter is based on the principle of comparing two voltages. Unlike standard voltmeters, which can be influenced by noise or fluctuations in the common voltage level, a differential voltmeter isolates the difference between the two input signals. This allows for more precise measurements, especially in environments where electromagnetic interference is prevalent.One of the primary applications of a differential voltmeter is in the testing and calibration of electronic equipment. For instance, when engineers are tasked with ensuring that a circuit operates within specified voltage levels, they can use a differential voltmeter to verify that the voltage differences across components meet the required standards. This is particularly important in sensitive devices such as amplifiers and operational circuits, where even minor deviations can lead to significant performance issues.Another significant application of a differential voltmeter is in laboratory settings, where researchers conduct experiments that require high precision. In these scenarios, the ability to measure small voltage differences accurately can be the difference between success and failure in an experiment. For example, in studies involving semiconductor materials, a differential voltmeter can help identify subtle changes in voltage that indicate variations in material properties or behaviors under different conditions.Moreover, the differential voltmeter is also widely used in telecommunications. In this field, maintaining signal integrity is crucial, and any voltage discrepancies can lead to data loss or corruption. By employing a differential voltmeter, technicians can ensure that the voltage levels across communication lines remain consistent, thereby safeguarding the quality of the transmitted information.In summary, the differential voltmeter is an essential tool in the field of electrical engineering and instrumentation, providing accurate voltage measurements in various applications. Its ability to focus solely on the difference between two voltages while ignoring common-mode signals makes it invaluable for testing, research, and telecommunications. As technology continues to advance, the importance of precision in electrical measurements will only grow, further solidifying the role of the differential voltmeter in modern engineering practices.

在电气工程和仪器仪表的领域中，精确性至关重要。工程师和技术人员常常依赖各种工具来准确测量电气量。其中一个在这个领域中起着关键作用的仪器是differential voltmeter（差分电压计）。differential voltmeter是一种专用设备，用于测量电路中两点之间的电压差，而不受两点上共同模式电压的影响。这种独特的能力使其在许多需要高精度的应用中不可或缺。differential voltmeter的操作基于比较两个电压的原理。与标准电压计不同，标准电压计可能会受到噪声或共同电压水平波动的影响，而differential voltmeter则隔离两个输入信号之间的差异。这允许在电磁干扰普遍存在的环境中进行更精确的测量。differential voltmeter的主要应用之一是在电子设备的测试和校准中。例如，当工程师负责确保电路在规定的电压水平内运行时，他们可以使用differential voltmeter来验证组件之间的电压差是否符合要求的标准。这在敏感设备如放大器和运算电路中特别重要，因为即使是微小的偏差也可能导致显著的性能问题。differential voltmeter在实验室环境中的另一个重要应用是研究人员进行需要高精度的实验。在这些情况下，能够准确测量微小电压差异可能是实验成功与失败之间的区别。例如，在涉及半导体材料的研究中，differential voltmeter可以帮助识别指示材料特性或在不同条件下行为变化的微小电压变化。此外，differential voltmeter在电信领域也被广泛使用。在这个领域中，保持信号完整性至关重要，任何电压差异都可能导致数据丢失或损坏。通过使用differential voltmeter，技术人员可以确保通信线路上的电压水平保持一致，从而保护传输信息的质量。总之，differential voltmeter是电气工程和仪器仪表领域中一种必不可少的工具，在各种应用中提供准确的电压测量。它能够专注于两种电压之间的差异，同时忽略共同模式信号，使其在测试、研究和电信中变得无价。随着技术的不断进步，电气测量中精确性的需求只会增加，从而进一步巩固differential voltmeter在现代工程实践中的角色。