PID Temperature Controllers

What are PID Temperature Controllers?

PID temperature controllers are an on/off process controller that uses mathimatical fomula 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 distrubances that can have an impact on the quality of the product that is being measured. You can learn more in our complete guide to PID temperature controllers.

How Do they Work?

The three elements of the PID algorithm are the Proportional, the Integral, and the Derivative. These elements each relate to the variance in the process temperature versus the setpoint in a period of time.

  • Proportional - the variance between the setpoint and the current process temperature

  • Integral - the previous variance from the setpoint

  • Derivative - the predicted future variance based on previous and current variance



These variances over time are then calculated using a PID formula and the result indicates how much power needs to be applied to the process to maintain the temperature at the setpoint.

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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. 454-2205
Mfr. Part No.P6100-2100-00-0
£208.86
Each
Units
Relay 100 V ac, 240 V ac 48 x 48 (1/16 DIN)mm - 1 0°C +55°C - ON/OFF - LED IP20, IP66 P 6100 -
RS Stock No. 730-004
Mfr. Part No.320000
BrandCAL
£193.58
Each
Units
Relay 90 264 V ac 48 x 24 (1/32 DIN)mm - 2 0°C +50°C -200 +1800 °C - - LED IP65 CAL 3200 Green
RS Stock No. 611-9879
Mfr. Part No.E5CSV-R1T-500 AC100-240
BrandOmron
£138.80
Each
Units
Relay 100 → 240 V ac 48 x 48mm - 2 -10°C +55°C - - - - - -99 → +1700 (Thermocouple) °C, -99 → +850 (Platinum Resistance Thermometer) °C -
RS Stock No. 790-3587
Mfr. Part No.P116/CC/VH/LRR
BrandEurotherm
£124.24
Each
Units
Logic, Relay 100 → 230 V ac 48 x 48mm - 2 + 1 (Change Over) 0°C +55°C -210 → +1200 (Type J Thermocouple) °C, -200 → +1300 (Type N Thermocouple) °C, -200 → +1372 (Type K Thermocouple) °C, -200 → +400 (Type T Thermocouple) °C, -200 → +850 (Pt100 RTD) °C, -200 → +900 (Type L Thermocouple) °C, -50 → +1700 (Type R Thermocouple) °C, -50 → +1768 (Type S Thermocouple) °C, 0 → +1820 (Type B Thermocouple) °C - - LED IP66 Piccolo P116 Amber, Green
RS Stock No. 489-4089
Mfr. Part No.3216/CC/VH/LDXX/R
BrandEurotherm
£298.00
Each
Units
Analogue, Changeover Relay, Logic, Relay 85 → 264 V ac 48 x 48 (1/16 DIN)mm - 3 0°C +55°C - ON/OFF - LCD, Single Line IP65 Eurotherm 3216 Green
RS Stock No. 745-7949
Mfr. Part No.IR33V7LR20
BrandCarel
£82.24
Each
Units
Relay 12 → 24 V ac 76.2 x 34.2mm - 1 - - -50 → +150 (PTC/PT1000) °C, -40 → +150 (NTC-HT) °C - Yes - - Carel IR33 -
RS Stock No. 354-925
Mfr. Part No.991.12C
BrandCAL
£297.44
Each
Units
Relay 230 V ac 48 x 48 (1/16 DIN)mm - 2 - - -200 +1800 °C - - LED IP54 CAL 9900 -
RS Stock No. 354-919
Mfr. Part No.991.11C
BrandCAL
£297.44
Each
Units
Relay 115 V ac 48 x 48 (1/16 DIN)mm - 2 - - -200 +1800 °C - - LED IP54 CAL 9900 -
RS Stock No. 124-1068
BrandRS PRO
£108.73
Each
Units
Relay, SSR 24 V ac/dc 48 x 48mm - 3 0°C +55°C -200 to, -199 → +800 (PT100) °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, +100 → +1824 (Type B Thermocouple) °C - - Dual 4 Digit LED IP20, IP65 - -
RS Stock No. 312-1784
Mfr. Part No.330000000
BrandCAL
£164.62
Each
Units
Relay, SSD 100 V ac, 240 V ac 48 x 24 (1/32 DIN)mm - 2 0°C +50°C - - - LED IP66 CAL 3300 Red/Green/Orange
RS Stock No. 511-8897
Mfr. Part No.330000030
BrandCAL
£151.93
Each
Units
Relay, SSD 12 → 24 V ac/dc - - 2 0°C +50°C - - - LED - CAL 3300 -
RS Stock No. 905-5737
Mfr. Part No.PXU20020
BrandRed Lion
£90.73
Each
Units
SSR 100 → 240 V ac 48 x 48mm - 1 0°C +50°C - PID Function Only Yes LCD IP65 - Orange/Green
RS Stock No. 905-5734
Mfr. Part No.PXU10030
BrandRed Lion
£99.97
Each
Units
Relay 100 240 V ac 48 x 95.8mm - 1 0°C +50°C - PID Function Only Yes LCD IP65 - Orange/Green
RS Stock No. 736-2831
Mfr. Part No.CM30/1S0S0E0/STD
BrandABB
£561.44
Each
Units
Analogue, Relay 100 240 V ac 97 x 97mm - 3 0°C +55°C -250 +300 (Type T Thermocouple) °C, -200 +1300 (Type N Thermocouple) °C, -200 +600 (Pt100) °C, -100 +900 (Type E Thermocouple) °C, -100 +900 (Type J Thermocouple) °C, -100 +900 (Type L Thermocouple) °C, -100 1300 (Type K Thermocouple) °C, -18 +1700 (Type R Thermocouple) °C, -18 +1700 (Type S Thermocouple) °C, -18 +1800 (Type B Thermocouple) °C ON/OFF - LCD, Multi Line, TFT IP66 ControlMaster CM30 Green, Red, Yellow
RS Stock No. 798-4093
Mfr. Part No.600-R-D-0-0-1
BrandGefran
£199.26
Each
Units
Logic, Relay 100 → 240 V ac 48 x 48 (1/16 DIN)mm - 2 0°C +50°C -200 → +400 (Type T Thermocouple) °C, -200 → +400 (Type U Thermocouple) °C, -200 → +600 (RTD 2/3 Wires - JPT100) °C, -200 → +850 (RTD 2/3 Wires - PT100) °C, -100 → +750 (Type E Thermocouple) °C, -55 → +120 (PTC - 990Ω. 25) °C, -10 → +70 (NTC - 1KΩ. 25) °C, 0 → +1000 (Type J Thermocouple) °C, 0 → +1100 (Type (NI-Ni18Mo) Thermocouple) °C, 0 → +1300 (Type K Thermocouple) °C, 0 → +1300 (Type N Thermocouple) °C, 0 → +1750 (Type R Thermocouple) °C, 0 → +1750 (Type S Thermocouple) °C, 0 → +2300 (Type C Thermocouple) °C, 0 → +2300 (Type D Thermocouple) °C, 0 → +2300 (Type G Thermocouple) °C, 0 → +600 (Type L-GOST Thermocouple) °C, 44 → +1800 (Type B Thermocouple) °C - - LED IP65 Gefran 600 Green, Red
RS Stock No. 208-2880
Mfr. Part No.2216e/CC/VH/RH/RC/FH
BrandEurotherm
£338.00
Each
Units
Relay 85 → 264 V ac 48 x 48 (1/16 DIN)mm - 3 0°C +55°C -210 → +1820 °C - - LED IP65 Eurotherm 2216e -
RS Stock No. 124-1071
BrandRS PRO
£107.12
Each
Units
Relay, SSR 110 240 V ac 48 x 48mm - 3 0°C +55°C -200 to, -199 +800 (PT100) °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, +100 +1824 (Type B Thermocouple) °C - - Dual 4 Digit LED IP20, IP65 - -
RS Stock No. 905-5725
Mfr. Part No.PXU10020
BrandRed Lion
£81.65
Each
Units
Relay 100 240 V ac 48 x 48mm - 1 0°C +50°C - PID Function Only Yes LCD IP65 - Orange/Green
RS Stock No. 736-2838
Mfr. Part No.CM10/000S0E0/STD
BrandABB
£355.55
Each
Units
Analogue, Relay 100 240 V ac 97 x 50mm - 2 0°C +55°C -250 +300 (Type T Thermocouple) °C, -200 +1300 (Type N Thermocouple) °C, -200 +600 (Pt100) °C, -100 +900 (Type E Thermocouple) °C, -100 +900 (Type J Thermocouple) °C, -100 +900 (Type L Thermocouple) °C, -100 1300 (Type K Thermocouple) °C, -18 +1700 (Type R Thermocouple) °C, -18 +1700 (Type S Thermocouple) °C, -18 +1800 (Type B Thermocouple) °C ON/OFF - LCD, Multi Line, TFT IP66 ControlMaster CM10 Green, Red, Yellow
RS Stock No. 454-5068
Mfr. Part No.P6100-2700-00-0
£215.27
Each
Units
Linear 100 V ac, 240 V ac 48 x 48 (1/16 DIN)mm - 1 0°C +55°C - ON/OFF - LED IP20, IP66 P 6100 Red
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