Watlow PM Plus™ 4 Temperature and Process Controller

Watlow PM Plus™ 4 Temperature and Process Controller
10 March 2025

The Watlow PM Plus™ 4 is new to ADM Instrument Engineering. It is the latest addition to the Watlow line of temperature and process controllers.


The PM Plus 4™ is the latest from Watlow's temperature and process controller range, building upon the PM Plus backward compatibility with legacy systems. The newest edition brings new connectivity and accessibility to automated process and temperature control, featuring Bluetooth™ connectivity with mobile app monitoring and control capabilities.


Learn more about Watlow's range of heating probes and process & temperature controllers here.


  
The PM Plus™4 features inter-module bus communications, enabling configurations to feature and display integral temperature control information, such as amps, watts, ohms and voltage from the ASPYRE AT Power Controllers.  

Watlow PM Plus™ 4 Temperature and Process Controller
The Watlow PM Plus™ Controller


  
The PM Plus 4™ is a ¼ inch DIN Mount unit with a large LCD featuring Smooth-Touch keypads, eliminating contamination risks in sensitive process environments.  
  
The Watlow PM Plus 4 provides process operators with 2-loop control, but users can also expand the Plus 4’s loop control capability by integrating the Watlow EZ-Zone RM Multi-loop controller.  
  
If you’d like to explore the Watlow PM Plus™4 in your organisation's temperature or process control system, the ADM Instrument Engineering team is here to help.   
  
To learn more about the Watlow PM Plus™4, send any questions via our contact page here or call 1300 236 467.