differential voltmeter

简明释义

差动式伏特计

英英释义

例句

1.In precision applications, a differential voltmeter can provide highly accurate readings.

在精密应用中，differential voltmeter（差动电压表）可以提供高精度的读数。

2.When troubleshooting, a differential voltmeter is essential for identifying faults in electrical systems.

在故障排除时，differential voltmeter（差动电压表）对于识别电气系统中的故障至关重要。

3.The laboratory used a differential voltmeter to calibrate their equipment accurately.

实验室使用differential voltmeter（差动电压表）准确校准他们的设备。

4.Engineers prefer a differential voltmeter for its ability to minimize common-mode voltage interference.

工程师更喜欢使用differential voltmeter（差动电压表），因为它能最小化共模电压干扰。

5.The technician used a differential voltmeter to measure the voltage difference between two points in the circuit.

技术员使用differential voltmeter（差动电压表）测量电路中两个点之间的电压差。

作文

In the field of electrical engineering, accurate measurements are crucial for designing and testing circuits. One of the essential tools used for this purpose is the differential voltmeter. A differential voltmeter is an instrument that measures the voltage difference between two points in a circuit while rejecting any common-mode voltage. This feature makes it particularly useful in situations where noise and interference could affect the accuracy of measurements. The basic principle behind a differential voltmeter involves comparing two input voltages and displaying the difference between them. Unlike a standard voltmeter, which measures the voltage at a single point relative to ground, the differential voltmeter provides a more precise measurement by focusing solely on the voltage difference. This capability is vital in applications such as operational amplifier circuits, where small voltage differences can significantly impact performance. One of the main advantages of using a differential voltmeter is its ability to eliminate noise from the measurement process. In many electrical systems, external factors can introduce unwanted voltage signals, leading to inaccurate readings. By measuring the difference between two points, the differential voltmeter can effectively cancel out these common-mode signals, resulting in a cleaner and more reliable measurement. Moreover, differential voltmeters are often equipped with high input impedance, which means they draw minimal current from the circuit being tested. This characteristic is particularly important when working with sensitive components that may be affected by loading effects. High input impedance allows the differential voltmeter to measure voltages without significantly altering the circuit's behavior, ensuring that the readings reflect the true operating conditions. In practice, a differential voltmeter can be utilized in various applications, including sensor testing, circuit debugging, and research and development. For instance, engineers may use it to compare the output voltages of different sensors or to troubleshoot issues in electronic devices. Additionally, in laboratory settings, researchers rely on differential voltmeters to obtain accurate data for experiments involving small voltage changes. As technology advances, the design and functionality of differential voltmeters continue to evolve. Modern instruments often feature digital displays, advanced filtering options, and connectivity capabilities that allow for data logging and analysis. These enhancements not only improve the usability of the differential voltmeter but also expand its range of applications in both industrial and academic settings. In conclusion, the differential voltmeter is an invaluable tool in the realm of electrical engineering. Its ability to measure voltage differences accurately while rejecting noise makes it indispensable for engineers and researchers alike. As we move forward into an era of increasingly complex electronic systems, the importance of precise measurement tools like the differential voltmeter will only continue to grow, reinforcing its role as a cornerstone of effective circuit design and analysis.

在电气工程领域，准确的测量对于设计和测试电路至关重要。一个用于此目的的重要工具是differential voltmeter（差分电压表）。differential voltmeter是一种测量电路中两个点之间电压差的仪器，同时拒绝任何共模电压。这一特点使其在噪声和干扰可能影响测量准确性的情况下尤为有用。differential voltmeter的基本原理是比较两个输入电压，并显示它们之间的差异。与标准电压表不同，标准电压表测量相对于地面的单个点的电压，而differential voltmeter则通过专注于电压差提供更精确的测量。这种能力在运算放大器电路等应用中至关重要，因为微小的电压差异可能会显著影响性能。使用differential voltmeter的主要优点之一是其消除测量过程中噪声的能力。在许多电气系统中，外部因素可能引入不必要的电压信号，导致不准确的读数。通过测量两个点之间的差异，differential voltmeter可以有效地抵消这些共模信号，从而获得更清晰、更可靠的测量结果。此外，differential voltmeter通常配备高输入阻抗，这意味着它从被测电路中提取的电流极少。这一特性在处理可能受到负载效应影响的敏感元件时尤为重要。高输入阻抗使得differential voltmeter能够在不显著改变电路行为的情况下测量电压，确保读数反映真实的工作条件。在实践中，differential voltmeter可用于各种应用，包括传感器测试、电路调试以及研发。例如，工程师可以用它来比较不同传感器的输出电压或排查电子设备中的问题。此外，在实验室环境中，研究人员依赖differential voltmeter来获取涉及小电压变化的实验的准确数据。随着技术的发展，differential voltmeter的设计和功能也在不断演变。现代仪器通常配备数字显示、高级滤波选项以及数据记录和分析的连接能力。这些增强功能不仅提高了differential voltmeter的可用性，还扩大了其在工业和学术环境中的应用范围。总之，differential voltmeter在电气工程领域是一个不可或缺的工具。它能够准确测量电压差并拒绝噪声，使其成为工程师和研究人员的必备工具。随着我们进入一个日益复杂的电子系统时代，像differential voltmeter这样的精密测量工具的重要性将只会继续增长，巩固其作为有效电路设计和分析基石的角色。