Transfer measuring tools are used to determine the amount of heat that is transferred from one object to another. There are a variety of transfer measuring tools available, each with its own advantages and disadvantages.
One of the most common transfer measuring tools is the thermocouple. A thermocouple consists of two wires of different metals that are joined at one end. When the junction of the two wires is heated, a voltage is generated that can be used to determine the temperature of the junction. Thermocouples are relatively inexpensive and are able to measure a wide range of temperatures. However, they are not very accurate and can be affected by heat loss through the wires.
Another common transfer measuring tool is the resistance temperature detector (RTD). An RTD consists of a wire that is wrapped around a body of material that has a high thermal resistance. When the material is heated, the resistance of the wire increases. This increase in resistance can be used to determine the temperature of the material. RTDs are more accurate than thermocouples, but they are more expensive.
Thermometers are also commonly used to measure temperature. Thermometers work by measuring the expansion of a material as it is heated. The most common type of thermometer is the mercury thermometer, which uses mercury as the expansion material. Mercury thermometers are very accurate, but they are dangerous to use and are being replaced by more modern types of thermometers.
Finally, infrared thermometers are also used to measure temperature. Infrared thermometers work by measuring the infrared radiation emitted by an object. This radiation is proportional to the object's temperature. Infrared thermometers are very accurate and can be used to measure the temperature of objects that are too hot to be measured with other types of thermometers.