resistance thermometer

简明释义

电阻温度表

英英释义

A resistance thermometer is a temperature measuring device that operates on the principle that the electrical resistance of certain materials changes with temperature.

电阻温度计是一种温度测量装置,其工作原理是某些材料的电阻会随着温度的变化而变化。

例句

1.For food processing, a resistance thermometer helps maintain safe cooking temperatures.

在食品加工中,电阻温度计有助于保持安全的烹饪温度。

2.The technician checked the resistance thermometer to troubleshoot the heating system.

技术员检查了电阻温度计以排查加热系统的问题。

3.The laboratory uses a resistance thermometer to ensure precise temperature measurements in experiments.

实验室使用电阻温度计来确保实验中的温度测量精确无误。

4.In industrial applications, a resistance thermometer is often preferred for its accuracy and reliability.

在工业应用中,电阻温度计因其准确性和可靠性而被广泛采用。

5.The resistance thermometer can be calibrated to measure temperatures from -200°C to 850°C.

电阻温度计可以校准以测量从-200°C到850°C的温度。

作文

The precision of temperature measurement is crucial in various scientific and industrial applications. One of the most reliable devices used for this purpose is the resistance thermometer. A resistance thermometer is a temperature sensor that operates on the principle that the electrical resistance of certain materials varies with temperature. Typically, these devices utilize pure metals, such as platinum, due to their stable and repeatable resistance-temperature characteristics.The basic working principle of a resistance thermometer involves measuring the resistance of the metal element at a specific temperature. As the temperature increases, the resistance of the metal also increases. This relationship can be described by the formula: R = R0(1 + α(T - T0)), where R is the resistance at temperature T, R0 is the resistance at a reference temperature T0, and α is the temperature coefficient of resistance. By accurately measuring the resistance, one can deduce the corresponding temperature.One of the significant advantages of using a resistance thermometer is its high accuracy and stability over a wide range of temperatures. Unlike other temperature sensors, such as thermocouples or thermistors, resistance thermometers provide more precise readings, making them ideal for laboratory settings and critical industrial processes. They are commonly used in industries like pharmaceuticals, food processing, and chemical manufacturing, where temperature control is vital.Moreover, resistance thermometers can be designed to withstand harsh environments. They can be constructed with protective sheaths made from materials like stainless steel, allowing them to measure temperatures in extreme conditions without compromising their accuracy. This feature makes them suitable for use in oil refineries, power plants, and other challenging environments.Another noteworthy aspect of resistance thermometers is their versatility. They can be configured in various forms, such as wire-wound, thin-film, or ceramic types, each suited for different applications. For instance, wire-wound resistance thermometers offer excellent performance for laboratory measurements, while thin-film types are often used in compact spaces due to their smaller size and faster response times.In conclusion, the resistance thermometer is an essential tool in modern temperature measurement. Its ability to provide accurate, stable, and reliable readings under various conditions make it invaluable in many fields. As technology continues to advance, we can expect further improvements in the design and functionality of resistance thermometers, ensuring they remain at the forefront of temperature measurement techniques. Understanding how a resistance thermometer works and its applications will undoubtedly enhance our ability to monitor and control temperature in various settings effectively.

温度测量的精确性在各种科学和工业应用中至关重要。用于此目的的最可靠设备之一是电阻温度计电阻温度计是一种温度传感器,基于某些材料的电阻随温度变化的原理。通常,这些设备采用纯金属,例如铂,因为它们具有稳定且可重复的电阻-温度特性。电阻温度计的基本工作原理涉及在特定温度下测量金属元件的电阻。随着温度的升高,金属的电阻也增加。这种关系可以用公式R = R0(1 + α(T - T0))来描述,其中R是温度T下的电阻,R0是参考温度T0下的电阻,α是电阻的温度系数。通过准确测量电阻,可以推导出相应的温度。使用电阻温度计的一个显著优点是其在宽广温度范围内的高精度和稳定性。与其他温度传感器(如热电偶或热敏电阻)相比,电阻温度计提供更精确的读数,使其成为实验室环境和关键工业过程的理想选择。它们通常用于制药、食品加工和化学制造等行业,在这些行业中,温度控制至关重要。此外,电阻温度计可以设计成能够承受恶劣环境。它们可以用不锈钢等材料制成保护外壳,使其能够在极端条件下进行温度测量而不影响其准确性。这个特性使它们适合在石油炼厂、电厂和其他挑战性环境中使用。电阻温度计的另一个值得注意的方面是其多功能性。它们可以以各种形式配置,例如绕线型、薄膜型或陶瓷型,每种类型适用于不同的应用。例如,绕线电阻温度计在实验室测量中表现出色,而薄膜型由于其较小的尺寸和更快的响应时间,通常用于紧凑空间。总之,电阻温度计是现代温度测量中不可或缺的工具。它在各种条件下提供准确、稳定和可靠的读数,使其在许多领域中具有不可替代的价值。随着技术的不断进步,我们可以期待电阻温度计在设计和功能上的进一步改善,确保它们在温度测量技术的前沿保持领先地位。理解电阻温度计的工作原理及其应用无疑将增强我们在各种环境中有效监测和控制温度的能力。

相关单词

thermometer

thermometer详解:怎么读、什么意思、用法