2455R90020674

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• Temperature sensors – Thermostats – Mechanical

Mechnical thermostats measure temperature by using a bi-metallic strip. When metal strips of two different types are connected, their combined length is less than the original total, since one would expand faster than the other, thus creating a curling effect. When they reach a certain temperature, this curling effect will cause a contact to open or close an electrical circuit, or activate a mechanical action. The 2455R90020674 thermostat has a range of -20° to 160° Celsius, and is built to withstand temperatures as high as 160° Celsius.

2455R90020674 mechanical thermostats are widely used in various applications in industry, typically related to air and fluid temperature control. Common applications include temperature control in HVAC systems, industrial furnaces and ovens, air conditioning, refrigeration, plastic processing and beverage vending machines, and for measuring temperatures in concrete products, food processing plants, semiconductor assembly plants, as well as in cleanrooms for scientific and medical research. These thermostats are also used in everyday items such as toasters and hair dryers, so one can easily guess their versatility.

The principle of operation of 2455R90020674 mechanical thermostats is simple - the bi-metallic strip inside is heated, and when it reaches a temperature point that has been pre-set, it activates the electrical contacts, allowing current to flow through the circuit and controlling a device like a fan or a compressor. The bi-metallic strip is made up of two metals with different expansion rates, which means that as the strip heats up, it will curl and causes the contacts to make and break the circuit.

The 2455R90020674 mechanical thermostat has two different operating modes: "Open/Close" and "On/Off". In the Open/Close mode, the thermostat opens the electrical contacts when the pre-determined temperature is reached, allowing power to flow to a device, and closes them when the temperature falls below the set point. In the On/Off mode, the contacts are permanently open, allowing the power to flow through as soon as the temperature reaches the pre-set point, and cutting off when the temperature falls below it.

2455R90020674 mechanical thermostats are an efficient and reliable way to control the temperature of machines and equipment with accuracy. They are widely used in industry and daily life for heating, cooling and other temperature control applications, providing precise and adjustable temperature regulation capabilities.

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