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4.3-inch color, graphical touch panel

Integrated functions lower ownership costs 

Easily retrofit with minimal disruption 

Supports fast and flexible design environments

Easy connectivity and data mobility with file transfers

Improved process control

F4T Videos

For more Watlow F4T videos, including setup tutorials, please visit the official Watlow YouTube channel.

Data Logging Tutorial

File Transfer Tutorial

Trending and Graphing Tutorial

A Closer Look at the F4T

Use your mouse buttons and scroll wheel to interact.

Touch-Screen Technology

Easy to Use

  • 4.3-inch color, graphical touch panel
  • Modular and scalable controller
  • Integrated functions
  • Screen personalization
  • COMPOSER® graphical programming software
  • Multi-language options
  • Intuitive navigation
  • Channels, profiles, alarms, inputs and output can all be personalized with user-defined names

Integrated Functions

Lower Ownership Costs

  • Simplified design reduces complexity
  • Less Inventory
  • Reduces supplier base and simplifies delivery
  • Saves wiring time and panel space
  • The F4T all-in-one capabilities include: integrated PID controller, data logger, limit controller, solid state relays, timers, counters, PLC math and logic, panel switches and lights (softkeys)

Supports Fast and Flexible

Design Environments

  • Field pluggable I/O, scalable in increments of one
  • Programmable function blocks
  • Wide library of hardware options
  • Support of custom firmware modifications
  • High and low voltage power supply options
  • Mounting options for thru-panel or flush mount

High Quality 

and Reliability

  • Field-hardened electronics and robust algorithms already deployed in hundreds of thousands of installations worldwide
  • NEMA 4X/IP65
  • Agency compliance: UL®, FM, CE, RoHS, W.E.E.E.
  • 0 to 122°F / -18 to 50°C ambient operating temperature


Process Control

  • Robust algorithms for temperature, RH, pressure, altitude and more
  • TRU-TUNE®+ adaptive control algorithm
  • 40 profiles up to 50 steps each, with battery backup and real-time clock
  • Up to 4 PID control channels
  • Monitor up to 24 sensor inputs
  • Math and logic for total process and machine control

Easy Connectivity and Data Mobility with  

File Transfers

  • Ethernet Modbus® TCP and SCPI
  • Two USB host ports
  • USB device port
  • 232/485 Modbus® RTU
  • USB port for serial communication access
  • LabVIEW™ driver and SCPI protocol

Easily Retrofit with  

Minimum Disruption

  • Fits in existing SERIES F4 panel cutout
  • SERIES F4S/F4D/F4P backward compatible Modbus® registers

User Manuals