PID Temperature Controller
What is a PID Temperature Controller?
A PID temperature controller regulates temperature by continuously calculating error between a setpoint and a measured value, then adjusting output using Proportional, Integral, and Derivative terms to minimize overshoot, steady-state error, and response time for stable, accurate control.


Panel Cutouts : Standard Industrial Size
The opening dimensions for a 96×96mm meter are 92×92mm (width×height).
The opening dimensions for a 48×96mm meter are 45×92mm (width×height).
The opening dimensions for a 96×48mm meter are 92×48mm (width×height).
The opening dimensions for a 48×48mm meter are 45×45mm (width×height).
The opening dimensions for a 72×72mm meter are 68×68mm (width×height).
PID vs On/OFF Temperature Controllers


Feature | On/Off Temperature Controller | PID Temperature Controller |
---|---|---|
Control Mechanism | Heater fully ON or OFF based on temperature | Continuous adjustment of power based on PID algorithm |
Accuracy | Lower; causes temperature swings (overshoot/undershoot) | High; maintains stable and precise temperature |
Complexity | Simple operation, easy to set up | Complex; requires tuning of proportional, integral, derivative parameters |
Cost | Lower cost | Higher cost |
Typical Applications | Basic heating, where swings are acceptable | Precise processes such as medical sterilization, industrial ovens |
Temperature Controller More Related Articles

A temperature controller is a device that monitors and regulates temperature to a setpoint. It reads a sensor (e.g., thermocouple, RTD), compares the value to the target, and adjusts heating or cooling via outputs (relay, SSR, analog). Types include on/off, PID, and programmable controllers.

A PID temperature controller maintains a setpoint by adjusting heater/cooler output using three terms: Proportional (responds to present error), Integral (corrects accumulated past error), and Derivative (predicts future error). Together they minimize overshoot, steady-state error, and oscillation.