TSS TREADREADER, Product Manual, Page: 37 / 38

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CLASS DESCRIPTION OF HAZARD
Class 2M Visible beam, low power. Blink response of eye
affords protection. Hazardous when collecting optics
used.
Class 3R Direct intra beam viewing is hazardous, but the risk
is lower than Class 3B.
Class 3B Direct intra beam viewing is hazardous.
Class 4 High power. Capable of producing hazardous diffuse
reflections. Capable of producing skin burns and fire
hazardous.
This product complies with FDA radiation performance standards 21 CFR
Subchapter J.