TRS5-90BLRU

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Temperature sensors come in a variety of forms and serve many different functions. For example, there are thermocouples, RTDs (resistance temperature detectors), thermistors, and thermopiles. Mechanical thermostats, like the TRS5-90BLRU, are also employed to regulate temperature. This type of thermostat is composed of many components, including a bimetallic strip, switching mechanism, and a calibration range typically set at a predetermined temperature. The TRS5-90BLRU, in particular, has an overall temperature range of 10 to 90 degrees Celsius.

Application Field

The TRS5-90BLRU thermostat is designed for industrial and commercial applications, making it ideal for maintaining proper temperature in HVAC/R systems. It is also suitable for industrial processes or any application requiring accurate temperature control. Furthermore, they are often used to prevent refrigerators and freezers from becoming too hot or too cold.

Working Principle

At the heart of the TRS5-90BLRU is a bimetallic strip, which is composed of two different metal alloys that expand and contract with changes in temperature. The bimetallic strip is attached to a spring-loaded switching mechanism that is triggered when the strip reaches a predetermined temperature. The switching mechanism then activates or deactivates the connected electrical or mechanical device.

As the strip is heated or cooled, the two alloys of which it is composed will change in length at different rates. When the temperature gets close to the predetermined setting, the strip will bend and trigger the switching mechanism. Once the temperature reaches the set point, the bimetallic strip will move a little further and the resulting motion will cause the switching mechanism to open the circuit and shut off the connected device.

Once the temperature again falls below the set point, the bimetallic strip will cool and the spring-loaded switching mechanism will close the circuit, thus restarting the connected device. This cycle of heating and cooling will continue until the temperature is consistently above or below the set point threshold.

The TRS5-90BLRU thermostat is simple to install and is a reliable and cost-effective solution for many temperature-control applications. It is one of the most widely used and established mechanical thermostats available on the market today.

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