Everything You Need To Know About Temperature Controller
As the name indicates, a temperature controller is a device that monitors and controls temperatures and is also utilized to control pressure, speed, and other speed variables in an industrial environment, such as in fridges, ovens, or freezers.
To install and use an accurate temperature controller system, a controller must take input from the temperature sensor as an RTD or thermocouple. The measured temperature is then compared to the required measured temperature. It provides an output to a control element such as a fan or a heater which determines how much heating or cooling is needed to convert it back to process temperature.
Types of Temperature Controllers
Many different types of temperature controllers can be identified based on the application or the process you will use them for.
PID Temperature Controller
PID temperature controller is an on/off process controller device that calculates the difference between the desired temperature setpoint and the current process temperature with the help of a mathematical formula. This ensures the temperature remains as close as possible to the setpoint temperature. The output will switch on after the temperature falls below the optimal pre-set.
On-Off Temperature Controller
On-off temperature controllers are simple to use temperature controllers. They have a pre-set optimal temperature, so the output switches off when it exceeds that limit; when the temperature falls even below the optimal pre-set, the output switches back on.
Proportional Temperature Controller
Proportional temperature controllers can increase the power as required in a ratio that matches the differences between the current and desired temperatures. This proportional control is only possible within a defined range of temperatures and is designed to eliminate the cycling related to an on-off controller.
Peltier Module Controller
Peltier module controllers are temperature controllers that reverse the cooling or heating control of thermoelectric assemblies, mainly depending on the current direction. They provide quick and compact temperature control solutions perfect for precise and accurate temperature control applications.
Applications of Temperature Controller
Temperature controllers are highly versatile, reliable, and have extensive uses. Due to such reasons, the different types of temperature controllers are used in many industrial applications:
- Temperature-critical drying and evaporation processes
- Heat treatment and tempering of industrial equipment and parts
- Medical sciences and pharmaceutical development applications
- Food production and preparation applications
- Furnace and batch temperature control systems
- Curing and conditioning of different sheet materials
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