Dynatron Model DT-820 Helium-Neon (HeNe) Laser.
Nonionizing radiation protection special study,
ARMY ENVIRONMENTAL HYGIENE AGENCY ABERDEEN PROVING GROUND MD
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A Nonionizing Radiation Protection Special Study of the Dynatron Model DT-820 HeNe Laser was performed by this Agency at Walter Reed Army Medical CEnter. It was determined that the Dynatron Model DT-820 laser was a Class 2 laser system and the laser radiation emitted from the Dynatron did not present a hazard to the skin. Author