Radiation Dosimetry

Radiation Alert® dosimeters by S.E. International, Inc. help protect your personnel from the potential dangers of ionizing radiation. Our line of dosimeters and exposure rate meters are available in digital and analog solutions. Digital units feature vibration and audible alerts, internal memory, and free software offer reach back capabilities. Analog pen dosimeters afford a power free alternative for tracking the radiation dose of your people.

Download your exposure data for reach back. Protect your most valuable assets with a complete suite of radiation dosimeter products for reliable, accurate environmental or personal radiation monitoring. With decades of experience in bringing modern enhancements to radiation detection technology, S.E. International, Inc. offers rugged, comprehensive dosimetry solutions to effectively record and share dose and exposure information on the job. Choose from a variety of dosimeters and exposure rate meters for occupational safety for industrial, energy, first responder and personal use.



Sentry EC Dosimeter & Ratemeter

The Radiation Alert® Sentry EC is a Personal Alarming Radiation Dosimeter & Rate Meter. This model is designed to ensure the safety of personnel that work in occupations with potential x-ray or gamma exposure. …

Rad-60 Alarming Dosimeter

The RAD-60 is a Personal Alarming Radiation Dosimeter. It’s a precise and reliable instrument for ensuring the safety of personnel. Ideally, the RAD-60 is used in stand-alone conditions for everyday radiation monitoring . The RAD-60 can also be switched into System Mode, for the purpose of tracking Personnel Dose records and generating compliance reports. …

Pen Dosimeters

The advanced PENs are direct reading radiation dosimeters. They are rugged, precision instruments with a higher quality and reliability than other dosimeters of its type. They measure and directly read accumulated dose of gamma and x-ray exposure. …

Pen Dosimeter Charger

The patented, handheld Dosimeter Charger works with a variety of direct-reading dosimeters by simply squeezing the lever of a generator. This radiation dosimeter charger is simple to use and requires no batteries. By pulling a trigger, a dosimeter is easily placed in or removed from the clamping action that holds it snugly in the cradle. A discharge button above the clamp easily discharges any charge beyond zero on the meter of your PenDosimeter. All you need is a light source and a few seconds to…