voltmeters

简明释义

英[ˈvɒltˌmiːtəz]美[ˈvoʊltˌmiːtərz]

n. [电]电压表（voltmeter 的复数）；[电]伏特计

英英释义

单词用法

同义词

反义词

例句

1.This normalizing device is a standard instrument used to calibrate the intrinsic errors of the various kinds of electronic voltmeters.

该校准仪是用于校准各种电子电压表基本误差的专用标准仪器，具有定点频率下正弦波信号输出的标准电压源。

2.A kind of circuit for automatic range selection of voltmeters is introduced and designed.

提出并设计了一种适用于电压表的量程自动转换电路。

3.Digital voltmeters, instead of voltage meters and other instruments, are used to measure Hull voltage and then to calculate the axial magnetic induction distribution in charged straight spiral tubes.

给出了一种利用霍尔效应测量螺线管磁场的新方法：用数字电压表取代电位差计等诸多仪器测量霍尔电势差，进而计算出通电长直螺线管内轴向磁场的分布。

4.Please return these ammeters and voltmeters on board as soon as they are rectified.

电流表与电压表效正后请尽快送回船上。

5.Digital voltmeters, instead of voltage meters and other instruments, are used to measure Hull voltage and then to calculate the axial magnetic induction distribution in charged straight spiral tubes.

给出了一种利用霍尔效应测量螺线管磁场的新方法：用数字电压表取代电位差计等诸多仪器测量霍尔电势差，进而计算出通电长直螺线管内轴向磁场的分布。

6.It introduces the features and working mode of intelligent numerical voltmeters, and describes its application combined with specific work.

介绍了智能化数字电压表的特点和工作方式，结合具体工作，阐述了智能化数字表在电工测量中的应用。

7.To ensure safety, always check the voltage with voltmeters before working on electrical systems.

在处理电气系统之前，务必使用电压表检查电压以确保安全。

8.In laboratories, voltmeters are essential for conducting experiments involving electrical measurements.

在实验室中，电压表对于进行涉及电气测量的实验至关重要。

9.When troubleshooting appliances, voltmeters can help identify faulty components.

在故障排除电器时，电压表可以帮助识别故障组件。

10.Digital voltmeters provide more accurate readings than analog ones.

数字电压表提供比模拟的更准确的读数。

11.Electricians often use voltmeters to measure the voltage in electrical circuits.

电工经常使用电压表来测量电路中的电压。

作文

In the world of electronics and electrical engineering, measuring voltage is crucial for understanding how circuits operate. One of the most common tools used for this purpose is the voltmeters, which are instruments designed to measure the electric potential difference between two points in an electrical circuit. The significance of voltmeters cannot be understated, as they provide essential data that can influence the design and troubleshooting of electrical systems.A voltmeter works by connecting its leads to the two points where the voltage needs to be measured. There are different types of voltmeters, including analog and digital versions. Analog voltmeters display the voltage reading using a needle and a dial, while digital voltmeters provide a numerical readout on a screen. Each type has its advantages; for example, analog voltmeters can be easier to read for quick assessments, while digital voltmeters offer precision and often additional features such as data logging.The use of voltmeters extends beyond simple voltage measurement. They are essential tools in diagnosing issues within electrical circuits. For instance, if a device is not functioning correctly, a technician can use a voltmeter to check if the voltage levels are within the expected range. If the readings are too high or too low, it may indicate a problem with the power supply or a fault in the circuit itself. This capability makes voltmeters invaluable in both residential and industrial settings.Understanding how to read and interpret the measurements from voltmeters is also vital for anyone working with electrical systems. Voltage is measured in volts (V), and knowing the normal operating voltages for different devices helps ensure their proper functioning. For example, household outlets typically provide around 120V or 240V, depending on the region. Using a voltmeter to measure these voltages can help confirm that appliances are receiving the correct amount of power, preventing damage and ensuring safety.Moreover, voltmeters play a significant role in educational settings, where students learn about electricity and circuits. By using voltmeters in experiments, students can visualize concepts such as Ohm's Law, which relates voltage, current, and resistance. This hands-on experience fosters a deeper understanding of electrical principles and prepares future engineers and technicians for real-world applications.In conclusion, voltmeters are essential instruments in the field of electrical engineering. Their ability to measure voltage accurately makes them indispensable for troubleshooting, designing, and understanding electrical circuits. Whether in a professional setting or an educational environment, the knowledge and use of voltmeters are fundamental skills for anyone involved in electronics. As technology continues to advance, the evolution of voltmeters will likely lead to even more sophisticated tools that enhance our ability to manage and understand electrical systems effectively.

在电子和电气工程的世界中，测量电压对于理解电路的运作至关重要。用于此目的的最常见工具之一是电压表，它是一种设计用于测量电路中两个点之间电位差的仪器。电压表的重要性不容小觑，因为它们提供的基本数据可能会影响电气系统的设计和故障排除。电压表通过将其引线连接到需要测量电压的两个点来工作。电压表有不同类型，包括模拟和数字版本。模拟电压表使用指针和刻度盘显示电压读数，而数字电压表则在屏幕上提供数字读数。每种类型都有其优点；例如，模拟电压表在快速评估时更易于读取，而数字电压表则提供精确度，并且通常具有数据记录等附加功能。电压表的使用不仅限于简单的电压测量。它们是诊断电路问题的基本工具。例如，如果某个设备无法正常工作，技术人员可以使用电压表检查电压水平是否在预期范围内。如果读数过高或过低，可能表明电源存在问题或电路本身出现故障。这一能力使得电压表在住宅和工业环境中都极为宝贵。理解如何读取和解释电压表的测量结果对于任何与电气系统打交道的人来说也是至关重要的。电压以伏特（V）为单位进行测量，了解不同设备的正常工作电压有助于确保其正常运行。例如，家庭插座通常提供约120V或240V，具体取决于地区。使用电压表测量这些电压可以帮助确认电器是否接收了正确的功率，从而防止损坏并确保安全。此外，电压表在教育环境中也发挥着重要作用，学生在这里学习电力和电路。通过在实验中使用电压表，学生可以直观地理解诸如欧姆定律等概念，该定律涉及电压、电流和电阻之间的关系。这种动手实践的经验培养了对电气原理的更深入理解，并为未来的工程师和技术人员做好了现实应用的准备。总之，电压表是电气工程领域不可或缺的仪器。它们准确测量电压的能力使它们在故障排除、设计和理解电气电路方面不可或缺。无论是在专业环境还是教育环境中，掌握和使用电压表都是任何参与电子工作的人的基本技能。随着技术的不断进步，电压表的发展可能会导致更复杂的工具，从而增强我们有效管理和理解电气系统的能力。