Pencil Dosimeter - Model AT-138
Introduction

This direct reading dosimeter is a ruggedly constructed precision instrument for measuring and reading accumulated dose of gamma and X-ray radiation exposure up to 200 mR. Applications include personal and environmental monitoring. The low-energy feature has hospital applications including fluoroscopy, portable radiography, and angiography. A hardened sapphire end window provides clean, scratch-proof viewing of measurements. This pocket-sized instrument is lightweight and has a sturdy clip to attach to an individual's pocket for constant use and ongoing protection.