Watlow’s PM PLUS™

The enhanced EZ-ZONE® PM, is now more intuitive and features an enhanced interface for easier programming and readability with a SMOOTH-TOUCH™ keypad creating an industry leading user experience. The PM PLUS is backwards compatible with legacy EZ-ZONE PM controllers but offers many user upgrades including an intuitive menu flow allowing the controller to be easily configured.

It also continues to offer the industry leading Bluetooth® connectivity with the EZ-LINK™ mobile app for remote access capability and full descriptions of parameters and error codes. The PM PLUS improves the user experience by reducing the complexity at the front of the control while eliminating the dependency of cables when configuring the product.

Features and Benefits

  • Intuitive menu flow
  • SMOOTH TOUCH keypad
  • Bluetooth® compatiblewith EZ-LINK™ mobile app
  • Integrated PID and limit controller
  • High amperage power control output
  • Remote set point operation
  • Profile capability
  • Retransmit output
  • Factory Mutual (FM) approved over/under limit with auxiliary outputs
  • Memory for saving and restoring parameter settings



  • User-selectable heat/cool, on-off, P, PI, PD, PID or alarm action
  • Auto-tune with TRU-TUNE+ adaptive control algorithm
  • Control sampling rates: input = 10Hz, outputs = 10Hz

Profile Ramp/ Soak

  • 4 profiles, 40 total steps
  • Accuracy (typical): ±30 PPM at 77°F (25°C) +30/-100 PPM at -4 to 149°F (-20 to 65°C)

Dimensional Drawing

Typical Block Diagram

Compatible Accessories

Our flexible heaters are thin, bendable and shaped to fit almost any type of equipment. Heat can be applied to the most complex shapes, geometries, curves and pipes conceivable without sacrificing efficiency or dependability.

Excellent heat transfer results from the heater’s thin design and direct bonding to an application. Flexible heaters provide fast heat-up and cool-down rates, uniform heat distribution and high watt densities.

Our Products & Services :

  • Industrial Automation Products
  • Industrial Heating Supply
  • Wireless Data Acquisition
  • Control Panel Solutions

Our Guarantees :

  • Experienced Sales Engineers
  • Effective Installation
  • Customer Technical Assistance
  • Industrial Solutions Provider

Serving :

  • Seattlle – Portland – Vancouver
  • Salt Lake City – Boise
  • Salem
  • And all other major US cities

Call before 3:30 PM for same-day shipment !