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Temperature Sensors - Thermostats - Mechanical

Temperature sensing is a widely used application in a variety of commercial and industrial applications. Temperature sensors use a variety of methods to detect the temperature of a material, system, or environment, and then transmit a signal or other information to a receiving device such as a computer, allowing the temperature to be monitored and controlled. Mechanical temperature sensors are one of the most common types of temperature sensing devices.

Mechanical temperature sensors use a metal coil or bellows element which responds to temperature changes by expanding or contracting. As the temperature rises, the metal element will expand, while as the temperature drops, the metal element will contract. The expansion and contraction of the material causes it to move in relation to a fixed reference, triggering a switch, which can be used to detect the temperature and register a change. This change is then sent to a receiving device as an electrical or optical signal which can be used to measure the temperature.

Mechanical temperature sensors are often employed in industrial applications, as they are reliable and have good accuracy levels even in harsh environments and temperatures. They are particularly suited to detecting temperature changes over relatively short or fast periods of time, which is why they are used in applications such as controlling the temperature of an oven or refrigerator. The sensors are also reasonably inexpensive, making them popular in applications that require cost awareness.

One of the major advantages of mechanical temperature sensors is that they are easy to install and require minimal maintenance. They do not require extra components, such as external power sources, to operate, and their accuracy and long life-span make them an attractive option for many applications. Furthermore, the sensor can be calibrated in order to account for any temperature variation over time.

Because of their design, mechanical sensors are usually limited to detecting temperature changes over a short time period. It is usually not possible to get an accurate reading if the temperature is changing over an extended time period. Some mechanical temperature sensors are also prone to false readings when exposed to shock or vibration, which can lead to inaccurate readings.

Despite their limitations, mechanical sensors are a popular choice for many applications, particularly in industrial settings. Their accuracy, low cost, and easy installation make them an attractive option, and they are likely to remain a popular choice for many years to come.