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T H E U L T I M A T E M A R K I N G S O L U T I O N
Danger label and output aperature label attatched to the laser and/or equipment. A key operated
power switch SHOULD be used to prevent unauthorized use. No known skin hazard of fire hazard
exist.
Class IIIb laser products
Power output from 5 milliwatts to 500 milliwatts. These lasers are considered a definate eye
hazard, particularly at the higher power levels, which WILL cause eye damage. These lasers
MUST have a key switch to prevent unathorized use, a laser emission indicator, a 3 to 5 second
time delay after power is applied to allow the operator to move away from the beam path and a
mechanical shutter to turn the beam off during use. Skin may be burned at the higher levels of
power output as well as the flash point of some materials which could catch fire. (I have seen
250mW argons set a piece of red paper on fire in less than 2 seconds exposure time !) A red
DANGER label and aperature label MUST be affixed to the laser.
Class IV laser products
Power output >500 milliwatts. These CAN and WILL cause eye damage. The Class IV range CAN
and WILL cause materials to burn on contact as well as skin and clothing to burn. These laser
systems MUST have:
A key lockout switch to prevent unauthorized use Inter-locks to prevent the system from being
used with the protective covers off Emission indicators to show that the laser is in use Mechanical
shutters to block the beam Red DANGER labels and aperature labels affixed to the laser
The reflected beam should be considered as dangerous as the primary beam. (again, I have seen
a 1,000 watt CO2 laser blast a hole through a piece of steel, so imagine what it would do to your
eye !)
Registration of laser systems
Any laser system that has a power output of greater than 5 milliwatts MUST be registered with the
FDA and Center for Devices and Radiological Health if it has an exposed beam, such as for
entertainment (I.E. Laser light shows) or for medical use (such as surgery) where someone other
than the operator may come in contact with it. (this is called a 'varience' and I have filled them out
and submitted them and they ARE a royal pain in the backside !)
Risks of Laser Radiation:
If the built in safety measures are defeated or the laser is operated with the housing
open, there is a risk of setting clothing or other flammable materials on fire. Laser
energy at a power of up to 150W (Model C100) at a wavelength of 10,6
µ
m could be
present inside the housing.
Therefore operators can perform procedures required inside the housing only when
the interlocked door has been opened. (A normal user must never defeat the door
interlocks or remove portions of the protective housing, except the machine is not
powered).
Therefore you must under no circumstances neither alter the laser tube unit nor
dismantle it nor set a system to work which has been altered or dismantled!
