electric tester

简明释义

电测试器

英英释义

An electric tester is a device used to measure the presence of electrical voltage, current, or resistance in an electrical circuit.

电测量仪是一种用于测量电路中电压、电流或电阻存在的设备。

例句

1.You should use an electric tester 电测试仪 to ensure safety before replacing light bulbs.

在更换灯泡之前,你应该使用电测试仪 electric tester 确保安全。

2.An electric tester 电测试仪 can help you determine if a circuit is live or not.

一个电测试仪 electric tester 可以帮助你确定电路是否通电。

3.Before starting any electrical work, make sure to check the voltage with an electric tester 电测试仪.

在开始任何电气工作之前,确保使用电测试仪 electric tester 检查电压。

4.Always carry an electric tester 电测试仪 in your toolbox for quick checks.

在你的工具箱中始终携带一个电测试仪 electric tester 以便快速检查。

5.The technician used an electric tester 电测试仪 to troubleshoot the wiring issue.

技术人员使用电测试仪 electric tester 来排查接线问题。

作文

In today's world, where technology plays a crucial role in our daily lives, the importance of safety cannot be overstated. One of the essential tools that help ensure electrical safety is the electric tester. An electric tester (电测试仪) is a device used to measure the presence of electrical voltage and current in various electrical systems. Understanding how to use an electric tester effectively can prevent accidents and ensure that electrical installations are safe and functional.The electric tester comes in various forms, including digital multimeters, non-contact voltage testers, and socket testers. Each type serves a specific purpose, but all share the common goal of helping users identify electrical issues. For instance, a digital multimeter can measure voltage, current, and resistance, making it a versatile tool for both professionals and DIY enthusiasts. On the other hand, a non-contact voltage tester allows you to check for live wires without making direct contact, which adds an extra layer of safety.When using an electric tester, it is vital to follow safety precautions. Always ensure that the tester is functioning correctly before use. This can be done by testing it on a known live circuit or using a built-in self-test feature if available. Additionally, wearing appropriate personal protective equipment, such as insulated gloves and safety goggles, is recommended when working with electrical systems.One of the most common applications of an electric tester is in troubleshooting electrical problems. For example, if a light bulb is not working, an electric tester can help determine whether the issue lies with the bulb itself or the electrical circuit. By checking for voltage at the socket with the tester, one can quickly ascertain if electricity is reaching the fixture. This not only saves time but also prevents unnecessary replacements of components that may still be functional.Moreover, an electric tester is invaluable during installation or maintenance of electrical systems. Electricians often use these testers to ensure that circuits are wired correctly and that there are no short circuits or faulty connections. Regular testing with an electric tester can help identify potential hazards before they become serious issues, thereby maintaining a safe environment.In conclusion, the electric tester (电测试仪) is an indispensable tool in the field of electrical work. Its ability to measure and detect electrical parameters makes it essential for ensuring safety and functionality in electrical systems. Whether you are a professional electrician or a homeowner looking to perform basic electrical maintenance, understanding how to use an electric tester effectively is crucial. By prioritizing safety and utilizing this tool properly, we can help prevent electrical accidents and create a safer living and working environment for everyone.