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S.E. International

The S.E. International, Inc's team is here for you. 

Whether you need tech support or have questions concerning 
an instrument before a purchase, we will do our best to help you in any way that we can.

Our customer and Tech support are dedicated to all our customers
because you are what makes us possible

Highlighted Products

Radiation Alert® Ranger

Radiation Alert Ranger®

Radiation Alert Ranger … Read More
Radiation Frisker

Radiation Alert® Frisker

Radiation Alert Frisker … 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


ASNT Annual Conference

ASNT Annual Conference

October 23, 2023 @ 8:00 am - October 26, 2023 @ 4:00 pm

Come see us at booth 816 at the ASNT Annual Conference. It’s the largest, dedicated gathering of industry professionals, equipment and technology suppliers, engineers and researchers working in the field of nondestructive testing and evaluation of materials in the world. Marriot Marquis Houston, Houston, TX
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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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Radiation Alert® products

The Importance of Radiation Detection at Universities and Research Institutions

Posted on August 23, 2023

The great English physicist Stephen Hawking once said, “Scientists have become the bearers of the torch of discovery in our quest for knowledge.” The meaning behind these inspirational words drives many scientists and researchers on a path of exploration.  … Read More
Radiation Detection Equipment

Why Your Business Needs Radiation Detection Equipment Calibration Service

Posted on July 25, 2023

In a robust world of diverse industries where safety and precision are paramount, radiation detection equipment plays a crucial role in companies maintaining high standards. From nuclear facilities and medical centers to research labs and industrial sites, the accurate measurement of radiation levels is vital for safeguarding human health, property, and the environment.   … Read More
Radiation Alert® Ranger EXP

Radiation Response Kits: What You Need in an Emergency

Posted on June 13, 2023

Just saying the words radiation or radiation detection can elicit a worried response since its presence and potential for harm is indeed a concerning part of its reputation. This emission and propagation of energy in the form of waves or particles can come from various sources, both natural and manufactured. Radiation is part of our daily lives- probably more than most people know. General thinking may immediately relate radiation to nuclear power generation and WMD (Weapons of Mass Destruction),… 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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