Temperatuurianduri

Temperatuuriandur is an Estonian term that translates to "temperature sensor" in English. A temperature sensor is a device that measures the temperature of an object or a medium and converts it into an electrical signal. This signal can then be used for various purposes, such as monitoring, control, or recording.

There are many different types of temperature sensors, each with its own operating principle and range of applications. Common types include thermocouples, resistance temperature detectors (RTDs), thermistors, and semiconductor-based sensors. Thermocouples work based on the Seebeck effect, where a voltage is generated at the junction of two dissimilar metals when there is a temperature difference. RTDs use the principle that the electrical resistance of certain metals changes predictably with temperature. Thermistors are semiconductor devices whose resistance changes significantly with temperature, often in a non-linear fashion. Semiconductor sensors, such as integrated circuit (IC) sensors, often use the temperature-dependent electrical characteristics of PN junctions.

Temperature sensors are widely used in numerous fields. In industry, they are crucial for process control, ensuring that manufacturing operations maintain optimal temperatures for efficiency and safety. In consumer electronics, they are found in thermostats, ovens, refrigerators, and computers to regulate temperature. In medicine, they are used in thermometers, incubators, and medical imaging equipment. Environmental monitoring also relies heavily on temperature sensors to track weather patterns, climate change, and water quality. The selection of a temperature sensor depends on factors such as the required accuracy, temperature range, response time, cost, and the environment in which it will be used.