Helium-Neon laser tube-5mW 05-LHP-111 - Melles Griot

5mW Helium-Neon laser - 632.8nm (visible red) by Melles Griot

model : 05-LHP-111 class: IIIa

status: *****SECOND USER ITEM ************* circa : Dec1994 tested 1/4/14 fires instantly - run for 2 hours fine !

dims: 44.2mm diameter x 272mm long black anodised aluminium tube. leads: single lead approx 1m to ALDEN male connector.

safety features: has manual lens shutter to avoid accidental exposure to beam, simple on/off slider.

*********** WARNING - LASERS ARE DANGEROUS... ************

********* USE EYE PROTECTION AT ALL TIMES DESIGNED FOR THIS WAVELENGTH ***************

********* THIS IS A PIECE OF LABORATORY EQUIPMENT NOT A TOY **********