ammeter

简明释义

英[ˈæmiːtə(r)]美[ˈæmiːtər]

n. [电] 安培计；[电] 电流计

英英释义

单词用法

同义词

反义词

例句

1.A second set of switches (on the Model 7158) connects each capacitor to the pico ammeter after a suitable soak period.

第二组开关(7158型)在经过合适的平稳时间后将每个电容器连接到皮安计。

2.To measure the offset of a switch card, connect the output of the card to a pico ammeter or electrometer.

若要测量开关卡的偏移电流，请将卡的输出连接到一台皮安计或静电计。

3.A picoammeter is an ammeter built along the lines of the ammeter function of an electrometer.

皮安表是安培表的一个门类，其实质上是静电计中安培表功能的延续。

4.He was very attentive to the ammeter.

他十分经心在意地望著电流计。

5.Ammeter, voltmeter, bridge and similar common methods are typical equipment types.

电流表、电压表、电桥以及类似的常见仪器都属于常用的设备。

6.It is convenient to include the function of a voltage ammeter and ohmmeter within one instrument.

把伏特表、安培表、欧姆表的功能集中在一个仪表内是比较方便的。

7.When troubleshooting electrical problems, an ammeter 电流表 is an essential tool.

在排查电气故障时，ammeter 电流表 是一项必不可少的工具。

8.You can find the ammeter 电流表 in the electronics lab to measure the current.

你可以在电子实验室找到ammeter 电流表 来测量电流。

9.To measure the current flowing through the circuit, we need to connect an ammeter 电流表 in series.

为了测量电路中的电流，我们需要将一个ammeter 电流表 串联连接。

10.Before using the ammeter 电流表, make sure it is set to the correct range.

在使用ammeter 电流表之前，请确保它设置在正确的范围内。

11.The technician used a digital ammeter 电流表 to check the power supply's output.

技术员使用数字ammeter 电流表 检查电源的输出。

作文

An ammeter is an essential instrument used in electrical engineering to measure the flow of electric current in a circuit. Understanding how an ammeter works is crucial for anyone involved in electronics, whether as a hobbyist or a professional. The device is typically connected in series with the circuit, which means that all the current flowing through the circuit also flows through the ammeter. This allows it to provide an accurate reading of the current's intensity, usually measured in amperes (A). The principle behind an ammeter is based on Ohm's Law, which states that the current flowing through a conductor between two points is directly proportional to the voltage across the two points and inversely proportional to the resistance of the conductor. Therefore, when using an ammeter, one must ensure that the circuit is properly set up, as incorrect connections can lead to inaccurate readings or even damage the device.There are different types of ammeters, including analog and digital versions. Analog ammeters use a moving coil mechanism to display current readings on a dial, while digital ammeters provide a numerical readout on a screen. Both types have their advantages; analog ammeters can be easier to read at a glance, while digital ammeters often offer more precision and additional features, such as data logging.One common application of an ammeter is in laboratories where electrical experiments are conducted. For instance, when setting up a circuit to test the behavior of various components, such as resistors, capacitors, or transistors, an ammeter helps in monitoring how much current is flowing through each component. This information is vital for analyzing the performance of the circuit and ensuring that it operates within safe limits.In addition to laboratory settings, ammeters are also widely used in various industries, including manufacturing and telecommunications. In these environments, they help technicians diagnose issues with electrical systems by identifying abnormal current levels that could indicate faults or inefficiencies. For example, if an ammeter shows a significantly higher current than expected in a motor circuit, it could suggest that the motor is overloaded or malfunctioning.Moreover, understanding how to read and interpret ammeter measurements is a valuable skill for anyone working with electronics. It enables individuals to troubleshoot problems effectively and optimize circuit designs for better performance. By learning to use an ammeter, one can gain insights into the behavior of electrical currents and enhance their overall understanding of electrical engineering principles.In conclusion, an ammeter is a fundamental tool in the field of electronics, providing critical information about electric current flow. Its importance cannot be overstated, as it aids in experimentation, troubleshooting, and system optimization. Whether you are a student, a hobbyist, or a professional engineer, mastering the use of an ammeter will undoubtedly enhance your capabilities in working with electrical circuits and devices.

电流表是电气工程中一种重要的仪器，用于测量电路中的电流流动。理解电流表的工作原理对任何参与电子学的人来说都是至关重要的，无论是作为爱好者还是专业人士。该设备通常与电路串联连接，这意味着流经电路的所有电流也会流经电流表。这使其能够准确地提供电流强度的读数，通常以安培（A）为单位。电流表的原理基于欧姆定律，该定律指出，在两个点之间导体中流动的电流与这两个点之间的电压成正比，与导体的电阻成反比。因此，在使用电流表时，必须确保电路正确设置，因为不正确的连接可能导致读数不准确甚至损坏设备。电流表有不同类型，包括模拟电流表和数字电流表。模拟电流表使用移动线圈机制在刻度盘上显示电流读数，而数字电流表则在屏幕上提供数字读数。这两种类型各有优缺点；模拟电流表在一瞥之下更易于读取，而数字电流表通常提供更高的精度和附加功能，如数据记录。电流表的一个常见应用是在进行电气实验的实验室中。例如，在设置一个电路以测试各种元件的行为时，如电阻器、电容器或晶体管，电流表有助于监测每个元件中流动的电流。这些信息对于分析电路的性能和确保其在安全范围内运行至关重要。除了实验室环境，电流表还广泛用于制造和电信等各个行业。在这些环境中，它们帮助技术人员通过识别异常的电流水平来诊断电气系统的问题，这可能表明故障或低效。例如，如果电流表显示电动机电路中的电流明显高于预期，这可能表明电动机过载或发生故障。此外，理解如何读取和解释电流表的测量值是任何从事电子工作的人都应具备的宝贵技能。它使个人能够有效地排除故障并优化电路设计以获得更好的性能。通过学习使用电流表，人们可以深入了解电流的行为，并增强他们对电气工程原理的整体理解。总之，电流表是电子领域的一种基本工具，提供有关电流流动的重要信息。它的重要性不容小觑，因为它有助于实验、故障排除和系统优化。无论您是学生、爱好者还是专业工程师，掌握电流表的使用无疑会增强您在处理电路和设备方面的能力。