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S.E. International

Please Visit Us At Booth 1334

March 18-22, 2023
Pennsylvania Convention Center
Philadelphia, PA, USA

Highlighted Products

Radiation Alert® Ranger

Radiation Alert Ranger®

Radiation Alert Ranger … Read More
Radiation Frisker

Radiation Alert® Frisker

Sick of getting tripped up by cables? Want that free hand back? Tired of lugging around a meter the size of a lunch box? Presenting The Radiation Alert® Frisker. The Radiation Frisker detects alpha, beta, gamma, and X-ray. It has the ability to take readings in multiple different units of measure, customize alarm levels, and comes equipped with a backlit display.  The Frisker is a light weight, single-handed radiation contamination instrument that has been designed to meet the demands of… Read More
AM-1X1 Radiation Area Monitor

AM-1x1 Radiation Area Monitor

AM-1X1 Radiation Area Monitor … Read More


Calibration & Service

Calibration & Service

S.e. International Offers Calibration & Services …
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World Wide Distributors

Ionizing Radiation Basics


Frequently Ask Questions
Operation Manuals
Operation Manuals
Video Quick Start Guides
Video Quick Start Guides
Calibration & Service
Calibration & Service
Ionizing Radiation Basics
Ionizing Radiation Basics
Contact Us


FDIC International

FDIC International

April 27, 2023 @ 12:00 am - April 29, 2023 @ 5:00 pm

Indiana Convention Center & Lucas Oil Stadium Indianapolis, IN …
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50th National Conference on Radiation Control

55th National Conference on Radiation Control

May 8, 2023 @ 8:00 am - May 11, 2023 @ 5:00 pm

CRCPD’s mission is “to promote consistency in addressing and resolving radiation protection issues, to encourage high standards of quality in radiation protection programs, and to provide leadership in radiation safety and education.”  Omni Hotel Houston, TX  
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AIHce – The American Industrial Hygiene Conference & Exposition

AIHce – The American Industrial Hygiene Conference & Exposition

May 22, 2023 @ 8:00 am - May 24, 2023 @ 5:00 pm

Come see us at The American Industrial Hygiene Conference & Exposition Booth 733. The AIHce EXPO is the must-attend experience for industrial hygiene/occupational health professionals of all levels, specialties, and expertise. Discover the information and strategies you need to protect worker health while taking advantage of several networking opportunities to grow your professional network. Phoenix Convention Center Phoenix, AZ
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About us

About Us

S.E. International, Inc develops and manufacture Radiation Alert® products and deliver results. …
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Surface Mounting PCB's

S.E. International, Inc. Surface Mounting PCB's

Posted on February 15, 2023

A day in the life at S.E. International, Inc. Radiation Alert. We use state of the art pick and place machines for making our quality radiation detectors. Here is a video showing our machines at work surface mounting our printed circuit boards. Read More
Geiger Counters

Daily Exposure to Radiation: How Geiger Counters Can Save Your Life

Posted on November 28, 2022

Radiation is a type of energy that can manifest in various forms, some of which are more hazardous than others. Some radiation has the ability to move at the speed of light through space, and its origins can be either natural (such as the sun) or man-made (like nuclear reactors). According to the Centers for Disease Control and Prevention, regardless of origin, when our body absorbs radiationrit in high amounts, it can cause… Read More
radiation exposure

How to Interpret Radiation Exposures

Posted on November 22, 2021

Ray Johnson, MS, SE, PE, FHPS, CHPDirector, Radiation Safety Counseling InstituteApril 13, 2011The following chart on interpreting radiation exposures was developed to help people understand themeaning of different levels of exposures. For many people the fact that radiation is detectable meansthat it is bad, however, there are three facts which might help to interpret radiation exposures.1. There is NO ZERO radiation. We live in a radioactive world and we are surrounded withradiation all the time. All of… Read More


Christopher Ulriksen, CSP, M.S.

December 9, 2022

Thank you Beth! To confirm, the source that the unit is calibrated to is Cs-127, correct? Thanks for the quick reply, this is wonderful customer service on a great product. I am really happy all around with SE and I will be sending the unit in for its annual in Q1. Happy Holidays to you all. Thank you,

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Michael @ Patriots Antiques

September 2, 2021

From time to time, we find customers who use our products in exciting and unique ways. Meet Michael at Patriots Antiques. Michael uses the Radiation Alert Ranger® to help detect uranium in antique glassware. Here are some great things he had to say about our instruments: …

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Zach Schroeder

July 26, 2021

We recently purchased a Radiation Alert Ranger to expand our radiation safety procedures. This was a timely purchase and when a supply issue at a distributor appeared to stop us in our tracks, Beth went out of her way to help us. Without even being asked, she was able to locate another vendor with stock and put us in contact with them for the purchase. Because of her excellent customer service, we were able to continue moving forward and avoid a sizeable project delay. The Ranger itself is a great addition to…

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