Founded in 1931 United Electric Controls, and its divisions, Applied Sensor Technologies and Precision Sensors, is a privately held corporation headquartered in Watertown, Massachusetts, USA. Our reputation for dependable, reliable products is a result of innovative design, superior manufacturing techniques, and a corporate focus on uncompromising quality.

We are an international manufacturer of durable and reliable pressure and temperature switches, controls and sensors. Focused on protecting equipment, processes and personnel in a variety of industrial applications, our products range from simple units to highly specialized custom designs.

Many of our products principally perform alarm and shutdown functions for our customers, while others provide critical sensor inputs into control systems.

Our reputation for dependable, reliable products is a result of innovative design, superior manufacturing techniques, and a corporate focus on uncompromising quality.


Wireless Hart Gas Detector

The Vanguard Toxic and Combustible WirelessHART® Gas Detector was born to be wireless. With a 5-year battery and 1-button calibration — the Vanguard is a gas detector built for the wireless world!

Hazardous Location

United Electric Controls hazardous location pressure & temperature switches are explosion-proof, hermetically sealed and approved for use in hazardous locations worldwide where explosive or corrosive atmospheres exist. Our pressure & temperature switches are used in hazardous locations for oil & gas, refineries and petrochemical applications where critical safety, alarm and shutdown functions are required.

General Purpose

United Electric has a wide array of ordinary location industrial switches for general purpose: vacuum, pressure, differential pressure and temperature switches.



Temperature Sensors and Transmitters

Temperature Sensors are manufactured by United Electric Controls (UE) in our facility in Watertown, Massachusetts. We are a major manufacturer of industrial temperature sensors, thermocouples, resistance temperature sensors (RTD’s), thermistor and other types of sensor assemblies. 

Accessories

United Electric Controls hazardous location pressure & temperature switches are explosion-proof, hermetically sealed and approved for use in hazardous locations worldwide where explosive or corrosive atmospheres exist. Our pressure & temperature switches are used in hazardous locations for oil & gas, refineries and petrochemical applications where critical safety, alarm and shutdown functions are required.

One Series Safety Transmitter

The One Series Safety Transmitter is a pressure or temperature monitoring transmitter switch that provides a NAMUR NE 43 standard 4-20 mA analog output. Its programmable high-capacity solid-state safety relay output enables the fastest emergency shutdowns.