Temperature Controllers

A temperature controller, as the name implies, is a device used to control and monitor temperature. The controller takes input from a temperature sensor, such as a thermocouple, and compares the temperature measurement to the desired set temperature which will then provide the output (such a relay, triac or solid state relay) to a heater or fan.

Types of Temperature Controller

PID Temperature Controller - an on/off process controller that uses a mathematical formula to calculate the difference between the desired temperature setpoint and current process temperature to ensure the process temperature remains as close to the setpoint as possible. PID controllers are effective at dealing with process disturbances that can have an impact on the quality of the product that is being measured.

On-Off Temperature Controller - On-off temperature controllers (also called signallers), are simple temperature control devices. The optimal temperature is pre-set and when it's exceeded the output switches off. When the temperature falls below the optimal pre-set, the output switches on.

Proportional Temperature Controller - Able to increase or throttle back power as required, in a ratio that matches the differential between the current process temperature and the desired temperature range, this proportional control usually takes place only within a defined range of temperatures at either side of the setpoint and is designed to eliminate the cycling associated with an on-off controller.

Peltier Module Controller - Peltier module controllers are temperature controllers designed for reversible cooling and heating control of thermoelectric assemblies, depending on the current direction. They offer a fast and compact temperature control solutions and are ideal for applications that need precise and accurate temperature control.


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Description Price Output Type Supply Voltage Size Number of Inputs Number of Outputs Minimum Operating Temperature Maximum Operating Temperature Temperature Range Control Type Communication Module Available Display Type IP Rating Range Display Colour
RS Stock No. 144-8681
BrandRS PRO
SGD260.06
Each
units
Changeover Relay, Relay, SSR 100 → 240 V ac 22.5 x 110mm 1 3 0°C +55°C - ON/OFF, PID Controller - OLED IP20 - Black
RS Stock No. 198-1172
BrandRS PRO
SGD161.81
Each
units
Relay 100 → 240 V ac 48 mm x 48mm - 2 0°C +50°C - - - - IP20, IP65 - -
RS Stock No. 188-5159
BrandRS PRO
SGD149.89
Each
units
Relay, SSR 230 V ac 72 x 72mm 1 2 0°C +50°C 0 → 400 °C, 0 → 50 °C - - 4 Digits IP20, IP65 - -
RS Stock No. 188-5163
BrandRS PRO
SGD158.71
Each
units
Relay, SSR 230 V ac 96 x 96mm 1 2 0°C +50°C 0 → 50 °C, 0 → 800 °C - - 4 Digits IP20, IP65 - -
RS Stock No. 124-1051
BrandRS PRO
SGD111.38
Each
units
Relay 230 V ac 77 x 35mm 1 1 0°C +50°C - - - - IP20, IP65 -30 → +400 °C -
RS Stock No. 198-1169
BrandRS PRO
SGD340.66
Each
units
Analogue Relay 230 V 86 mm x 35mm 1 2 0°C +50°C - - - - IP20 - -
RS Stock No. 198-1171
BrandRS PRO
SGD121.68
Each
units
Analogue Relay 230 V ac 72mm x 72mm 1 2 0°C +50°C - - - - IP20, IP65 - -
RS Stock No. 124-1068
BrandRS PRO
SGD193.41
Each
units
Relay, SSR 24 V ac/dc 48 x 48mm - 3 0°C +55°C +100 → +1824 (Type B Thermocouple) °C, 0 → +1399 (Type N Thermocouple) °C, 0 → +1762 (Type S Thermocouple) °C, 0 → +1795 (Type R Thermocouple) °C, 0 → +2320 (Type C Thermocouple) °C, 0 → 762 (Type L Thermocouple) °C, -199 → +800 (PT100) °C, -200 to - - Dual 4 Digit LED IP20, IP65 - -
RS Stock No. 188-5164
BrandRS PRO
SGD126.97
Each
units
Relay, SSR 24 V ac 96 x 96mm 1 2 0°C +50°C 0 → 50 °C, -200 → +1700 °C - - 4 Digits IP20, IP65 - -
RS Stock No. 875-1226
BrandRS PRO
SGD308.67
Each
units
Relay 24 V ac/dc 72 x 72mm 1 2 0°C +50°C - - - - IP65, NEMA 4X - -
RS Stock No. 124-1069
BrandRS PRO
SGD191.73
Each
units
Relay 24 V ac/dc 48 x 48mm - 3 0°C +55°C +100 → +1824 (Type B Thermocouple) °C, 0 → +1399 (Type N Thermocouple) °C, 0 → +1762 (Type S Thermocouple) °C, 0 → +1795 (Type R Thermocouple) °C, 0 → +2320 (Type C Thermocouple) °C, 0 → 762 (Type L Thermocouple) °C, -199 → +800 (PT100) °C, -200 to - - Dual 4 Digit LED IP20, IP65 - -
RS Stock No. 124-1057
BrandRS PRO
SGD79.21
Each
units
Relay 230 V ac 54 x 94mm 1 - 0°C +50°C - - - - IP65 - -
RS Stock No. 144-8679
BrandRS PRO
SGD361.20
Each
units
Relay, Relay-CO, SSR 24 V ac/dc 22.5 x 110mm 1 3 0°C +55°C - ON/OFF, PID Controller Yes OLED IP20 - Black
RS Stock No. 198-1170
BrandRS PRO
SGD138.27
Each
units
Analogue Relay 230 V ac 72mm x 72mm 1 2 0°C +50°C - - - - IP20, IP65 - -
RS Stock No. 124-1054
BrandRS PRO
SGD79.14
Each
units
Relay 230 V ac 77 x 35mm 1 1 0°C +50°C - - - - IP20, IP65 -60 → +150 °C -
RS Stock No. 124-1061
BrandRS PRO
SGD248.87
Each
units
Relay, SSR 24 V ac/dc 96 x 48mm - 3 0°C +55°C +100 → +1824 (Type B Thermocouple) °C, 0 → +1399 (Type N Thermocouple) °C, 0 → +1762 (Type S Thermocouple) °C, 0 → +1795 (Type R Thermocouple) °C, 0 → +2320 (Type C Thermocouple) °C, 0 → +762 (Type L Thermocouple) °C, -199 → +800 (PT100) °C, -200 → +1200 (Type J Thermocouple) °C, -240 → +1373 (Type K Thermocouple) °C - - Dual 4 Digit LED IP20, IP65 - -
RS Stock No. 144-8683
BrandRS PRO
SGD268.32
Each
units
Changeover Relay, Relay 24 V ac/dc 22.5 x 110mm 3 2 0°C +55°C - Limit Controller - OLED IP20 - Black
RS Stock No. 144-8677
BrandRS PRO
SGD232.20
Each
units
Relay, Relay-CO 24 V ac/dc 22.5 x 110mm 1 2 0°C +55°C - ON/OFF, PID Controller - OLED IP20 - Black
RS Stock No. 188-5160
BrandRS PRO
SGD149.89
Each
units
Relay, SSR 230 V ac 72 x 72mm 1 2 0°C +50°C 0 → 50 °C, 0 → 800 °C - - 4 Digits IP20, IP65 - -
RS Stock No. 798-3460
BrandRS PRO
SGD194.93
Each
units
Relay, SSR 24 V ac, 24 V dc 72 x 72mm - 3 0°C +50°C 0 → +50 °C On/Off, P, PD, PI, PID Controller No LED IP20, IP65 - Green, Red