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.
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. 124-1071
BrandRS PRO
$229.40
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. 798-3466
BrandRS PRO
$253.15
Each
units
Relay, SSR 100 240 V ac 72 x 72mm - 3 0°C +50°C 0 +50 °C On/Off, P, PD, PI, PID Controller No LED IP20, IP65 - Green, Red
RS Stock No. 124-1070
BrandRS PRO
$232.84
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. 875-1245
BrandRS PRO
$126.56
Each
units
Relay 230 V ac 76 x 34.5mm 1 3 -30°C +80°C 0 → +100 °C ON/OFF, PID Controller No LED IP20, IP65 - Red
RS Stock No. 786-4775
BrandRS PRO
$223.85
Each
units
SSR 230 V ac 72 x 72mm - 3 0°C +50°C 0 → +1700 (Type R Thermocouple) °C, 0 → +1700 (Type S Thermocouple) °C, -199.9 → +650 (RTD - PT 100) °C, -200 → +1300 (Type K Thermocouple) °C, -200 → +400 (Type T Thermocouple) °C, -200 → +650 (RTD - PT 100) °C, -200 → +900 (Type J Thermocouple) ° On/Off, P, PD, PI, PID Controller No Multi Line IP65 - Red/Green
RS Stock No. 786-4772
BrandRS PRO
$242.52
Each
units
SSR 24 V ac/dc 72 x 72mm - 3 0°C +50°C 0 → +1700 (Type R Thermocouple) °C, 0 → +1700 (Type S Thermocouple) °C, -199.9 → +650 (RTD - PT 100) °C, -200 → +1300 (Type K Thermocouple) °C, -200 → +400 (Type T Thermocouple) °C, -200 → +650 (RTD - PT 100) °C, -200 → +900 (Type J Thermocouple) ° On/Off, P, PD, PI, PID Controller No Multi Line IP65 - Red/Green
RS Stock No. 124-1066
BrandRS PRO
$235.30
Each
units
Relay, SSR 110 240 V ac 48 x 48mm - 2 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. 798-3479
BrandRS PRO
$266.47
Each
units
Relay, SSR 100 → 240 V ac 96 x 96mm - 3 0°C +50°C 0 → +50 °C On/Off, P, PD, PI, PID Controller No LED IP20, IP65 RS Brand Green, Red
RS Stock No. 798-3472
BrandRS PRO
$239.81
Each
units
SSR 230 V ac 96 x 96mm - 3 0°C +50°C 0 → +50 °C On/Off, P, PD, PI, PID Controller No LED IP20, IP65 - Green, Red
RS Stock No. 124-1065
BrandRS PRO
$226.13
Each
units
Relay 110 240 V ac 48 x 48mm - 2 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. 124-1063
BrandRS PRO
$302.23
Each
units
Relay, SSR 110 240 V ac 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 to - - Dual 4 Digit LED IP20, IP65 - -
RS Stock No. 875-1236
BrandRS PRO
$293.15
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
RS Stock No. 124-1068
BrandRS PRO
$264.68
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. 875-1242
BrandRS PRO
$293.15
Each
units
Relay 230 V ac 76 x 34.5mm 4 4 0°C +50°C 0 → +100 °C ON/OFF, PID Controller No LED IP20, IP65 - Green, Red
RS Stock No. 124-1064
BrandRS PRO
$302.23
Each
units
Relay 110 → 240 V ac 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 to - - Dual 4 Digit LED IP20, IP65 - -
RS Stock No. 798-3460
BrandRS PRO
$253.15
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
RS Stock No. 124-1067
BrandRS PRO
$232.84
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. 124-1072
BrandRS PRO
$232.84
Each
units
Relay 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. 124-1069
BrandRS PRO
$232.84
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. 124-1062
BrandRS PRO
$302.23
Each
units
Relay 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 to - - Dual 4 Digit LED IP20, IP65 - -
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