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. 798-3435
BrandRS PRO
MYR350.39
Each
units
Relay 10 → 30 V dc 76 x 34.5mm 1 3 0°C +50°C - - - - NEMA 4X -50 → +100 °C, -58 → +212 °F -
RS Stock No. 124-1060
BrandRS PRO
MYR345.71
Each
units
Relay 24 V ac 77 x 35mm 1 1 0°C +50°C - - - - IP20, IP65 0 → +1300 (K Type Thermocouple) °C, 0 → +1700 (R Type Thermocouple) °C, 0 → +1700 (S Type Thermocouple) °C, 0 → +400 (T Type Thermocouple) °C, 0 → +600 (J Type Thermocouple) °C -
RS Stock No. 124-1045
BrandRS PRO
MYR271.17
Each
units
Relay 230 V ac 77 x 35mm 1 1 0°C +50°C - - - - IP20, IP65 -60 → +150 °C -
RS Stock No. 188-5167
BrandRS PRO
MYR381.54
Each
units
Relay, SSR 230 V ac 96 x 96mm 1 2 0°C +50°C 0 → 50 °C, -200 → +1700 °C - - 4 Digits IP20, IP65 - -
RS Stock No. 875-1292
BrandRS PRO
MYR437.99
Each
units
Current 100 → 240 V ac 72 x 72mm 1 1 0°C +50°C - - - - IP65, NEMA 4X - -
RS Stock No. 875-1267
BrandRS PRO
MYR320.00
Each
units
Relay 230 V ac 35 x 77mm 1 1 0°C +50°C - - - - IP65, NEMA 4X -50 → +100 °C -
RS Stock No. 124-1068
BrandRS PRO
MYR638.21
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. 198-1175
BrandRS PRO
MYR660.36
Each
units
Analogue Relay 230 V ac 96mm x 96mm 1 2 0°C +50°C - - - - - - -
RS Stock No. 144-8682
BrandRS PRO
MYR1,283.86
Each
units
Changeover Relay, Relay, SSR 100 → 240 V ac 22.5 x 110mm 1 3 0°C +55°C - ON/OFF, PID Controller Yes OLED IP20 - Black
RS Stock No. 124-1046
BrandRS PRO
MYR263.42
Each
units
Relay 24 V ac/dc 77 x 35mm 1 1 0°C +50°C - - - - IP20, IP65 -60 → +150 °C -
RS Stock No. 124-1071
BrandRS PRO
MYR628.78
Each
units
Relay, SSR 110 → 240 V ac 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. 124-1047
BrandRS PRO
MYR287.85
Each
units
Relay 230 V ac 77 x 35mm 1 2 0°C +50°C - - - - IP20, IP65 -60 → +150 °C -
RS Stock No. 198-1173
BrandRS PRO
MYR538.63
Each
units
Relay 10 → 30 V dc 48 mm x 48mm - 2 0°C +50°C - - - - IP20, IP65 - -
RS Stock No. 124-1049
BrandRS PRO
MYR410.92
Each
units
Relay 230 V ac 77 x 35mm 2 3 0°C +50°C - - - - IP20, IP65 -60 → +150 °C -
RS Stock No. 124-1073
BrandRS PRO
MYR369.46
Each
units
- 230 V ac 77 x 35mm 4 - 0°C +50°C - - - - IP20, IP65 - -
RS Stock No. 144-8681
BrandRS PRO
MYR865.67
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. 188-5166
BrandRS PRO
MYR381.54
Each
units
Relay, SSR 115 V ac 96 x 96mm 1 2 0°C +50°C 0 → 50 °C, -200 → +1700 °C - - 4 Digits IP20, IP65 - -
RS Stock No. 198-1170
BrandRS PRO
MYR405.02
Each
units
Analogue Relay 230 V ac 72mm x 72mm 1 2 0°C +50°C - - - - IP20, IP65 - -
RS Stock No. 124-1050
BrandRS PRO
MYR351.27
Each
units
Relay 24 V ac/dc 77 x 35mm 2 3 0°C +50°C - - - - IP20, IP65 -60 → +150 °C -
RS Stock No. 875-1236
BrandRS PRO
MYR776.14
Each
units
Relay 230 V ac 76 x 34.5mm 1 4 -30°C +80°C 0 → +100 °C ON/OFF, PID Controller No LED IP20, IP65 - Green, Red