ABOUT
Our Mission
Delivering products that deliver results.
About S.E. International, Inc.
Since 1979, S.E. International, Inc. has been a leading manufacturer of radiation detection instruments under the Radiation Alert® brand. Our history began with the Monitor 4, a durable and affordable general-purpose Geiger counter that has garnered a reputation for reliability in radiation survey meters. From the beginning, our mission has been to deliver high-quality radiation detection equipment that fits a wide range of budgets while keeping safety at the core of every design.
Over the decades, S.E. International, Inc. has earned a reputation for honesty, innovation, and dependable radiation measurement technology. Our product line has expanded to include a full range of instruments for personal, industrial, laboratory, and environmental applications. Supported by a strong global network of distributors, we help customers select the right radiation detector for their specific needs.
Our commitment extends beyond manufacturing. With a strong sense of community, S.E. International, Inc. provides development grants, donations, and support for local organizations and nonprofits, helping strengthen regional initiatives and encouraging other companies to invest creatively in their communities.
We collaborate with industry partners to develop state-of-the-art radiation detection solutions and have been recognized in Tennessee for our international sales achievements and exceptional customer support.
Today, our diverse Radiation Alert® product family includes:
- Handheld radiation detectors for the surface and airborne contamination
- Area radiation monitors for continuous environmental monitoring
- Multichannel analyzers for advanced radiation identification
- Portal Monitors for facility safety
All Radiation Alert® instruments include free software and updates, ensuring customers always have access to the latest features and improvements.
You can find S.E. International, Inc. at major trade shows throughout the year and featured in numerous industry publications, continuing our long-standing commitment to education, safety, and technological advancement in radiation detection.
A Local Company with a Global Reach
We proudly partner with a global network of distributors to help customers find the right solutions for industrial, medical, educational, and personal applications.
Headquartered in Tennessee, we’re honored to have received statewide recognition for our international sales efforts and customer support. Yet, we’ve never lost sight of our roots. We actively support local non-profits and community initiatives through grants and donations, believing that strong communities build strong companies.
What Our
Clients Say
Ron Ulbrich, Geiger Counter Pro
“The Radiation Alert Ranger® is a great value for those looking for a modern Geiger counter. I found that is simple to use yet includes many advanced functions if and when you want them without obstructing the simplicity…”
Judson Kenoyer, CHP, CIH
“I have used the Monitor 4 in courses that I teach radiation safety for close to 8 years. The students love it and affectionately call it the “Batman unit” because of its use in the movie The Dark Knight Rises. It is light-weight, sensitive, and quite often out performs some of the more expensive units from other companies that we use in a lab exercise…”
Neil Breslow, NDT Supply
“NDT Supply has been working with SE International since we started business in 2000. We have found them to be easy to work with, and a very reliable and responsive supplier. Questions and issues are always handled promptly and with a smile…”
Michael, Patriots Antiques
“Your Ranger changed how I run my business. It’s accurate, easy to use, and perfect for detecting uranium glass.”
Christopher Ulriksen, CSP, M.S.
“Great product, even better support. Quick replies, solid calibration—SE International is my go-to.”
Gregory Field, USMC/ARNG Ret.
“We used SE monitors in Iraq and Afghanistan—sandstorms, snow, even camel licks couldn’t break them. Only mortar fire did. I’ve trusted them ever since.”