Process Controllers

Process controllers are instruments that compare a measured process variable—such as temperature, pressure, or flow—against a desired setpoint and automatically adjust an output to minimize the deviation. They are central to closed-loop control in manufacturing, laboratory, and industrial environments, enabling precise and repeatable regulation of critical parameters without continuous operator intervention.

This category spans PID temperature controllers, pressure regulators, UV and LED curing controllers, and heated or refrigerated circulators. Applications range from maintaining bath temperatures in analytical laboratories to controlling adhesive curing cycles in electronics assembly. Dwyer Instruments, Loctite, and VWR Scientific are among the suppliers represented, serving industries including pharmaceuticals, electronics manufacturing, plastics, food processing, and R&D.

Typical Applications

PID temperature control in industrial ovens, furnaces, and heat treatment equipment
Pressure regulation in gas supply systems and calibration rigs
UV and LED curing control for adhesives in electronics and medical device assembly
Temperature maintenance in heated and refrigerated laboratory circulators
Setpoint control for environmental test chambers and process reactors

Popular Brands

Dwyer Instruments offers reliable PID and on/off temperature controllers for general industrial use. Loctite provides specialized LED and UV curing controllers for precision assembly processes. Omega Engineering and Watlow are widely used for high-accuracy temperature control in demanding industrial and laboratory applications.