TRS3-90MLR00

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Temperature Sensors are devices used to measure temperature. One popular type is the Thermostat, which is designed to monitor and control temperature in order to maintain a desired set point. Mechanical Thermostats are analog devices that use mechanical components to control temperature. One example of a mechanical thermostat is the TRS3-90MLR00.

The TRS3-90MLR00 is a bimetallic mechanical thermostat, meaning it uses two layers of different metal alloys that expand or contract in different amounts when subjected to varying temperatures. The two layers are attached to a tension spring, creating a thermal switch. These switches are set to two predetermined temperatures, known as the "trip" and "reset" points. A motor is connected to one of the layers; when the temperature outside the thermostat increases or decreases, the layer wobbles either side of rest, activating or deactivating the motor.

The TRS3-90MLR00 is mainly used in commercial and industrial refrigeration applications, from deep freezing processes to environmental control. It is also suitable for use in ventilation systems, air conditioners, cold storage rooms and chillers. It is typically mounted in ducts and outdoor air intakes, acting as a ‘thermal guard’ to ensure the temperature inside the chilled system remains within acceptable limits.

The TRS3-90MLR00 is a hard-wired thermostat that has a rated operating temperature range between -20°C and +45°C, and an adjustable differential range of 3.3°C. Its two-stage operation has a maximum tripping capacity of 90A, and the adjustable temperature range can also help to improve system efficiency and decrease energy consumption.

The device uses a series of adjustable adjustment screws to select and set the trip and restart temperatures, allowing it to be set to a variety of temperature values for different applications. In addition, the relay output can be operating in either normally-closed (NC) or normally-open (NO) mode. The TRS3-90MLR00 also has a visual indicator that shows the current temperature, allowing users to monitor the temperature within the system.

Overall, the TRS3-90MLR00 mechanical thermostat is a reliable and cost-effective device for monitoring and controlling temperature in commercial and industrial refrigeration applications. It is easy to install and set up, and the adjustable temperature range and indicator make it an attractive choice for many users.

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