UE provides legacy and alternative solutions for Safety, Alarm & Shutdown Applications.   We offer uncompromising quality, world-wide product approvals and ISO 9001:2008 certification.

Read all about our One Series Safety Transmitter,  the first SIL 2-Certified Hybrid Transmitter-Switch for Safety Systems, in Flow Control Magazine.

Visit our FAQ page and learn more about SIL Calculations.  Check out the One Series Electronic Switch SIS Demonstration VideoWhat is a Safety Instrumented System (SIS)? How can it keep your plant safe?

Featured News - Updated 10/1/15



Visit our Product Certifications/Approvals page to learn more about UE Issued Certifications.


We can help solve your application needs with our video solutions.

Come Visit Us At

These Upcoming

Events  >>


Offshore Technology
Rio de Janeiro, Brazil
October 27-29, 2015
Automation India Week
Mubai, India
October 24, 2015


International Symposium
College Station, Texas, USA
October 27-29, 2015

Four Key Considerations

When Selecting SIS Sensors

Without knowing the capabilities of old and new technologies with new functionality and cost saving features, it’s highly likely that the wrong selection will be made. Understanding SIS and the pros and cons of mechanical switches, smart switches, and safety and process transmitters will help you make the appropriate choice.


Read more Executive, Business and Technical Briefs By UE Experts.

Find more

white papers

and technical

briefs in our


Center »


We Are Here To Help  »

One Series »

Customer Service People

Our customer service and technical sales departments are always available to answer any of your questions or help you select a product or find a solution for your specific industry needs.


Hours of operation:  Monday - Friday, 8:00 a.m. - 4:30 p.m.  EST

Phone:  (617) 926-1000  ~  Fax:  (617) 926-4354

Email:  TechSales@ueonline.com

We Will Call You Back

Do you have a  customer service or technical question?  Please email us and we will get back to you.