contact tehermometer

简明释义

接触式温度计

英英释义

例句

1.The lab technician calibrated the contact thermometer before starting the experiment.

实验室技术员在开始实验之前对接触温度计进行了校准。

2.Using a contact thermometer is essential for ensuring food safety in restaurants.

在餐厅中使用接触温度计对于确保食品安全至关重要。

3.The technician used a contact thermometer to measure the temperature of the metal surface.

技术员使用接触温度计测量金属表面的温度。

4.For accurate readings, it's important to ensure that the contact thermometer is in direct contact with the object being measured.

为了获得准确的读数，确保接触温度计与被测物体直接接触是很重要的。

5.In the kitchen, a contact thermometer can help you check if your meat is cooked properly.

在厨房中，接触温度计可以帮助你检查肉类是否煮熟。

作文

In the world of science and technology, accurate measurements are crucial for various applications. One such instrument that plays a significant role in measuring temperature is the contact thermometer. A contact thermometer (接触式温度计) is a device that measures temperature by making direct contact with the object being measured. This method provides precise readings, making it essential in many fields, including cooking, manufacturing, and scientific research.The principle behind a contact thermometer is relatively simple. When the thermometer's sensing element comes into contact with an object, heat is transferred between the two until they reach thermal equilibrium. This means that the temperature of the thermometer will match that of the object, allowing for an accurate reading. There are different types of contact thermometers, including liquid-in-glass thermometers, bimetallic thermometers, and thermocouples, each with its unique advantages and applications.One common type of contact thermometer is the liquid-in-glass thermometer. This device consists of a glass tube filled with a liquid, usually mercury or colored alcohol. As the temperature rises, the liquid expands and rises in the tube, allowing the user to read the temperature against a calibrated scale. This type of thermometer is widely used in laboratories and medical settings due to its accuracy and ease of use.Another popular form of a contact thermometer is the bimetallic thermometer, which operates on the principle of thermal expansion. It consists of two different metals bonded together that expand at different rates when heated. This differential expansion causes the metal strip to bend, moving a pointer on a dial to indicate the temperature. Bimetallic thermometers are often used in industrial applications where quick and reliable temperature readings are necessary.Thermocouples are another example of contact thermometers that are commonly used in various industries. They consist of two dissimilar metal wires joined at one end. When the junction is heated, it produces a voltage that correlates with the temperature difference between the junction and the other ends of the wires. Thermocouples are known for their wide temperature range and fast response time, making them ideal for high-temperature applications.The importance of contact thermometers cannot be understated. In the culinary world, chefs rely on accurate temperature readings to ensure that food is cooked properly and safely. In manufacturing, maintaining specific temperature ranges is vital for product quality and safety. Additionally, in scientific research, precise temperature measurements can affect the outcomes of experiments and studies.Despite their advantages, contact thermometers also have some limitations. For instance, they may not be suitable for measuring the temperature of moving or very small objects due to their need for direct contact. Furthermore, if the thermometer is not calibrated correctly, it can lead to inaccurate readings.In conclusion, the contact thermometer (接触式温度计) is an essential tool in various fields that require accurate temperature measurement. Understanding how it works and its applications can help individuals utilize this instrument effectively. Whether in the kitchen, the factory, or the laboratory, the contact thermometer remains a reliable choice for obtaining precise temperature readings.

在科学和技术的世界中，准确的测量对各种应用至关重要。其中一个在测量温度方面发挥重要作用的仪器是接触式温度计。接触式温度计是一种通过直接接触被测物体来测量温度的设备。这种方法提供了精确的读数，使其在烹饪、制造和科学研究等许多领域中不可或缺。接触式温度计的原理相对简单。当温度计的感应元件与物体接触时，热量在两者之间传递，直到达到热平衡。这意味着温度计的温度将与物体的温度相匹配，从而允许进行准确的读数。接触式温度计有不同类型，包括液体玻璃温度计、双金属温度计和热电偶，每种都有其独特的优点和应用。一种常见的接触式温度计是液体玻璃温度计。该设备由一个充满液体的玻璃管组成，通常是汞或着色酒精。随着温度的升高，液体膨胀并在管中上升，使用户能够根据校准的刻度读取温度。这种类型的温度计由于其准确性和易用性，广泛用于实验室和医疗环境。另一种流行的接触式温度计是双金属温度计，它基于热膨胀的原理。它由两种不同的金属结合在一起组成，这些金属在加热时以不同的速度膨胀。这种差异膨胀使金属条弯曲，移动指针在刻度盘上指示温度。双金属温度计通常用于工业应用中，在这些应用中，快速可靠的温度读数是必需的。热电偶是另一种常见的接触式温度计，广泛应用于各个行业。它由两根不同的金属线在一端连接而成。当接头加热时，它会产生与接头与线的另一端之间的温度差相关的电压。热电偶因其宽广的温度范围和快速的响应时间而闻名，非常适合高温应用。接触式温度计的重要性不容小觑。在烹饪界，厨师依赖准确的温度读数来确保食物被正确和安全地烹饪。在制造中，保持特定的温度范围对于产品质量和安全至关重要。此外，在科学研究中，精确的温度测量可能会影响实验和研究的结果。尽管有其优点，接触式温度计也存在一些局限性。例如，由于需要直接接触，它们可能不适合测量运动或非常小物体的温度。此外，如果温度计未正确校准，则可能导致不准确的读数。总之，接触式温度计（接触式温度计）是各种需要准确温度测量的领域中的重要工具。了解其工作原理及其应用可以帮助个人有效利用这一仪器。无论是在厨房、工厂还是实验室，接触式温度计仍然是获取精确温度读数的可靠选择。