brands

attributes.Features

attributes.Output_Type

attributes.Supply_Voltage

attributes.Size

attributes.Number_of_Inputs

attributes.Number_of_Outputs

attributes.Minimum_Operating_Temperature

attributes.Maximum_Operating_Temperature

attributes.Temperature_Range

attributes.Control_Type

attributes.Display_Type

attributes.IP_Rating

attributes.Additional_Functionality

attributes.Better_World_Product

attributes.Better_World_Verification

attributes.Input_Type

attributes.Mounting_Type

attributes.Range

attributes.Series

ABB LGS/A Wall Mount Controller, 80.5 x 80.5 x 17mm 4 Input, 24 V Supply Voltage

ABB CM15 Panel Mount Process Indicator, 50 x 97mm 2 Input, 2 Output Analogue, Relay, 100 → 240 V ac Supply

ABB CM10 DIN Rail Process Controller, 97 x 50mm 2 Input, 2 Output Analogue, Relay, 100 → 240 V ac Supply Voltage

ABB CM30 Controller, 97 x 97 x 141mm, 3 Output Analogue, Relay, 24 V Supply Voltage ON/OFF

ABB CM50 Panel Mount Controller, 144 x 76mm 2 Input, 5 Output Analogue, Digital, Relay, 100 → 240 V ac Supply


A temperature controller is a device that precisely regulates temperature within a system or process. It works by comparing the actual temperature to a desired setpoint. Any difference between these values triggers the controller to adjust heating or cooling elements, ensuring the temperature remains within the desired range. Additionally, temperature controllers are essential for various applications where maintaining precise temperature control is critical.

## **Common Types of Temperature Controllers**

### **Proportional-Integral-Derivative (PID) Temperature Controllers**

PID temperature controllers are sophisticated devices that use a control loop feedback mechanism, precisely controlling temperature. Also, they constantly measure the current temperature, compare it to the desired setpoint, and adjust the heating or cooling output to minimise any discrepancies. This ensures accurate and responsive temperature control in various applications.

### **On/Off Temperature Controllers**

On/off temperature controllers, also known as thermostats, provide a simple and cost-effective solution for basic temperature control. They operate by switching a heating or cooling element on or off based on whether the temperature is above or below the setpoint. Additionally, this type of temperature controller is suitable for applications where precise temperature regulation is not critical.

## **LED vs. Digital Temperature Controllers**

### **LED Temperature Controllers**

LED temperature controllers use light-emitting diodes (LEDs) to display temperature information. They typically offer a simpler and more cost-effective solution, suitable for applications where basic temperature monitoring and control are sufficient. While they may have fewer features compared to digital counterparts, LED temperature controllers are generally easy to operate and interpret.

### **Digital Temperature Controllers**

Digital temperature controllers utilise liquid crystal displays (LCDs) or other [digital panel](https://hken.rs-online.com/web/c/automation-control-gear/process-control/multi-function-panel-meters/) displays to provide more detailed and precise thermal readings. They often offer advanced features like programmable setpoints, timers, and alarms, making them suitable for applications requiring greater control and monitoring capabilities. At the same time, digital temperature controllers may come with a higher price tag but offer enhanced accuracy, flexibility, and functionality.

For instance, the DTC-A series digital temperature controller ensures precise heating control, eliminating the need for external relays. It also allows for adjustments based on time intervals and can memorise temperature and time settings, making it an excellent heater controller for various flexible heaters.

Another example is the DTC-T series, which monitors both DC and AC voltages and features low electromagnetic-wave and voltage output. It comes with adapters for customised temperature and time settings and offers four power settings (100%, 75%, 50%, and 25%). This type of digital temperature controller eliminates the need for complex circuit design or additional controls.

## **Temperature Control Applications**

Temperature controllers are essential for maintaining precise temperature regulation in various settings and industries:

- **Residential Temperature Control:** Thermostat temperature controllers are widely used in homes to regulate central heating, air conditioning systems, or HVAC systems, ensuring comfortable living environments.
- **Industrial Automation:** Temperature controllers play a crucial role in industrial automation, ensuring precise temperature management in processes like manufacturing, food processing, and pharmaceuticals.
- **Laboratory and Research:** Precise temperature control is vital in laboratories and research facilities for experiments, sample storage, and equipment calibration.
- **Plastics and Packaging:** Thermo controllers are used in the plastics industry for extrusion, injection molding, and other processes requiring accurate temperature regulation.
- **Healthcare:** Temperature controllers are essential in healthcare for maintaining optimal temperatures in medical equipment, incubators, and storage facilities.

## **How to Choose the Right Temperature Controller**

Choosing the right temperature controller depends on several factors. For instance, consider the required temperature range, accuracy, and control algorithm (on/off, PID, etc.). Also, evaluate the type of output needed (relay, analogue, digital) and any special features like alarms or remote monitoring. For applications requiring separate control units, an external temperature controller offers flexibility and convenience.

## **How to Order Temperature Controllers from RS Hong Kong?**

RS Hong Kong offers a wide range of temperature controllers from trusted brands like [Eurotherm](https://hken.rs-online.com/web/b/eurotherm/), [Omron](https://hken.rs-online.com/web/b/omron/), and [Jumo](https://hken.rs-online.com/web/b/jumo/). Plus, you can conveniently order through these options:

- **Online:** Browse our selection, add your chosen controller to your basket, and proceed to checkout.
- **Phone:** Call us at 852 2421 9898, and our team will assist you with your order.

## **How Delivery Works at RS Hong Kong**

At RS Hong Kong, we strive to get your equipment to you as quickly as possible. Whether you order a [temperature control switch](https://hken.rs-online.com/web/c/switches/micro-switches-detector-switches/thermostatic-switches/), [PLC controller](https://hken.rs-online.com/web/c/automation-control-gear/plcs-hmis-industrial-computing/plcs-programmable-logic-controllers/), or a temp regulator, you can expect fast and reliable delivery services. 

For more details on our delivery services, including specific timeframes, fees, and any applicable terms and conditions, please refer to our [Delivery page](https://hken.rs-online.com/web/content/services/delivery). You can find comprehensive information about our delivery options there to ensure a smooth and timely delivery experience.



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