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Requirements from Regulations and Standards
Manufacturer's Requirements
EN60825 (IEC60825) "Radiation Safety of Laser Products, Equipment Classification, Require-
ments and User's Guide"
Requirements;
Sub-clause
Safe inherently
Description of
by engineering
hazard class
design
Required for each laser product; limits access necessary for performance of functions of the
Protective housing
products
Safety interlock in
Designed to prevent removal of the panel until accessible emission values are below the AEL
protective housing
for the class assigned
Remote control
Not required
Key control
Not required
Emission warning
Not required
device
Attenuator
Not required
Location controls
Not required
Viewing optics
Emission from all viewing systems must be below Class 1 AEL's as applicable
Scanning
Scan failure shall not cause product to exceed its classification
Required word-
Class label
ing
Aperture label
Not required
Service entry label
Required as appropriate to the class of accessible radiation
Override interlock
Required under certain conditions as appropriate to the class of laser used
label
User information
Operation manuals must contain instructions for safe use
Purchasing and
Promotion brochures must reproduce classification labels; service manuals must contain
service informa-
safety information
tion
Medical products
Special calibration instructions required
Cable service connections require tool to disconnect if disconnection breaks protective hous-
Fibre optic
ing and permits access above Class 1
With respect to the requirements of remote interlock connector, key control, emission
warning and attenuator, Class 3B laser products not exceeding five times the AEL of Class
2 in the wavelength range of 400 to 700 nm are to be treated as Class 3A laser products.
Note: This table is intended to provide a convenient summary of requirements. See text of
Class 1
Class 2
Low power; eye
protection nor-
mally afforded by
aversion
responses
Warning and explanatory labels and specified wording (Refer to page 16)
standard for complete requirements.
Classification
Class 3A
Class 3B
Same as Class
2. Direct intra-
Direct intrabeam
beam viewing
viewing may be
with optical aids
hazardous
may be hazard-
ous
Permits easy addition of external
interlock in laser installation
Laser inoperative when key is
removed
Give audible or visible warning
when laser is switched on or if
capacitor bank of pulsed laser is
being charged
Give means beside ON/OFF switch
to temporarily block beam
Controls located so adjustment does not require expo-
sure to AEL above class 1 or 2
Specified wording required
Special calibration instructions,
means for measurement and target-
indicator required
SECTION 4
Appendix
Class 4
High power; dif-
fused reflection
may be hazard-
ous
Z500
73
Setup Manual
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