S. E. Technology
SE International, Inc. is a U.S.-based manufacturer specializing in radiation detection instruments, offering both digital and analog radiation detectors designed for accuracy, durability, and ease of use. Best known for its Radiation Alert® product line, the company serves a broad range of industries including environmental, industrial, medical, and security; providing tools for detecting and monitoring ionizing radiation. SE International emphasizes quality, reliability, and responsive customer support, and its instruments are widely used in applications such as emergency response, radiological training, and contamination monitoring.
Pioneers in radiation safety with decades of expertise
Proudly manufactured in America and trusted worldwide
Evolves its technology to meet the demands of environmental safety, emergency response, and scientific research
Responsive support and a passion for radiation education
Be Ready. Be Informed. Be Protected. Questions & answers about S. E. International Radiation Detectors
Why are radiation detectors essential in an emergency preparedness toolkit?
Radiation is invisible, odorless, and potentially life-threatening. Whether preparing for radiological emergencies, nuclear events, or dirty bomb threats, having a reliable radiation detector ensures your team can quickly assess exposure risks, identify contamination zones, and make informed safety decisions. SE International’s Radiation Alert® detectors provide dependable, real-time data when seconds count.
What’s the difference between analog and digital radiation detectors, and which is right for me?
Analog detectors offer straightforward, intuitive readings that are ideal for fast training and field use. Digital models provide more advanced features like data logging, audible alerts, and customizable thresholds. SE International offers both, allowing you to match the right tool to your team’s training level, response scenario, and documentation needs.
How durable are SE International’s detectors in field conditions?
Built for rugged environments, Radiation Alert® detectors are made in the USA with robust housings and user-friendly interfaces. They’re trusted by emergency responders, hazmat teams, and military personnel for their reliability in real-world conditions, whether in disaster zones, decontamination stations, or on routine patrol.
Can these detectors support compliance with emergency response protocols or federal guidelines?
Absolutely. SE International’s detectors meet the requirements of many radiation safety programs and are used in conjunction with FEMA, NRC, and DHS protocols. Their digital models can even store data for reporting and audits, ensuring your team is prepared, compliant, and ready to respond.
Featured Product
S.E. International Radiation Detectors – Digital
SE International’s digital radiation detectors offer precise, real-time monitoring of ionizing radiation with advanced features designed for professional use in safety-critical environments. Part of the trusted Radiation Alert® product line, these instruments include digital displays, audible and visual alarms, data logging capabilities, and customizable settings, making them ideal for applications in emergency response, environmental monitoring, healthcare, industry, and research. Compact, durable, and made in the USA, these detectors deliver reliable performance when accurate radiation measurement matters most.
Learn More
Who are their customers?
- Emergency preparedness and response teams (FEMA, hazmat units, first responders)
- Environmental monitoring agencies
- Nuclear power and energy professionals
- Medical and dental professionals using X-ray or radiological equipment
- Industrial safety managers in fields like mining, oil & gas, and manufacturing
- Educational institutions and researchers needing lab-grade radiation detection
- Government and military organizations responsible for national security and radiological defense
- Radiation safety officers (RSOs) and health physicists in compliance and training roles
