Temperature, Process and Power Controllers

Watlow is a leading supplier of integrated multi-function, process and temperature controllers, power switching devices, agency-rated safety limits, operator interface terminals, process and event data loggers and recorders and accessories to reliably implement and control a complete thermal system. 

Our expertise is backed by 80 years’ experience designing, manufacturing and assisting customers with controller challenges across a broad range of applications. In industrial machines, processes and commercial equipment, Watlow products control parameters including temperature, over/under temperature limits, relative humidity, flow, position and pH, to name a few. 

f4t integrated pid process controller front view
Integrated controllers reduce complexity and cost of ownership

Choose a controller from the list or view all

View All Products
Go
EZ-ZONE temperature and process controller
Temperature and process controllers offer easy-to-use, accurate and reliable solutions for applications requiring single and multiple loops of control.

Choose a controller from the list or view all

View All Products
Go
SERIES LV limit
Limits monitor systems and respond to over- or under-temperature conditions

Choose a controller from the list or view all

View All Products
Go
din a mite c
Watlow solid state power switching devices complement the rapid switching required by PID temperature controllers and help deliver optimum system performance and service life.

Choose a controller from the list or view all

View All Products
Go
ez-zone rm data logger
Watlow offers a range of products for time-stamped data collection of critical process data, from Windows®-based software to embedded data loggers.

Choose a controller from the list or view all

View All Products
Go
silver series em
Watlow offers reliable, affordable, easy-to-use interfaces for machines and systems.

Choose an interface from the list or view all

View All Products
Go
ez-zone rm data logger
Watlow software products provide interfaces to controllers and other automation equipment that is more powerful and flexible than built-in product interfaces and yet fast to set up and easy to use.

Choose a product from the list or view all

View All Products
Go
watlow control panels
EZ-LINK™ MOBILE APPLICATION

MAKES SETTING UP, MONITORING AND ADJUSTING EZ-ZONE® PM CONTROLLERS EASY AND PAINLESS

View EZ-LINK™ Product Page
series TM indicator
Watlow's temperature and process indicators are ideal for displaying measurements of temperature and other process variables; such as flow, pressure and relative humidity.

Choose a controller from the list or view all

View All Products
Go
watlow control panels
WATCONNECT® Control Panels are Configured to Your Application

Available in thousands of configurations with two-week standard delivery

See Control Panels