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R5906141 /02
Medea series
14
1.4.2 Safety Training provided by the installer
Refer to document 601
–
0462
“
Declaration of user safety training
”
for training tick off and signing.
WARNING:
The installer is responsible that the user is instructed. The user will sign a document to
confirm that the instructions have been received and understood.
Users definition
The Medea projector is intended for persons who have been instructed and trained by Barco authorized
personnel to identify energy sources that may cause injury and to take precautions to avoid unintentional
contact with or exposure to those energy sources.
This personnel must instruct the user about:
•
High intensity light beam. The user must respect the exclusion zone, based on the light beam Hazard
Distance (HD).
•
Dangerous energy sources inside the projector. The user is not allowed to remove any cover from the
projector.
•
The installation, maintenance or service is for skilled persons only.
•
The requirements for a
restricted access location
and an
exclusion zone
.
Restricted access location
To protect untrained persons and children, the projector must be installed in a
restricted access location
.
The definition of a
restricted access location
is a location for equipment where both of the following
paragraphs apply:
•
Access can only be gained by Barco authorized personnel or persons who have been instructed and
trained by a skilled person. The persons must have been instructed about the reasons for the restriction
applied to the location and about the precautions that shall be taken.
•
Access is only possible through the use of the tool or lock and key, or other means of security like sufficient
clearance height (ref Hazard Distances chapter), and is controlled by the authority responsible for the
location.
Why a restricted access location: This is a RG3 product. Based on international requirements, no person is
allowed to enter the projected beam within the zone between the projection lens and the related Hazard
Distance (HD). This shall be physically impossible by creating sufficient separation height or by placing
optional barriers. Within the restricted area operator training is considered sufficient. The applicable
separation heights are discussed in
High Brightness precautions: Hazard Distance (HD)
, page 14.
1.4.3 High Brightness precautions: Hazard Distance (HD)
HD
Hazard Distance (HD) is the distance measured from the projection lens at which the intensity or the
energy per surface unit becomes lower than the applicable exposure limit on the cornea or on the
skin. The light beam is considered (to be) unsafe for exposure if the distance from a person to the
light source is less than the HD.
Restriction Zone (RZ) based on the HD
The HD depends on the amount of lumens produced by the projector and the type of lens installed. See next
chapter
“
HD in function of the lens Throw Ratio (TR)
”
, page 17.
To protect untrained end users (as cinema visitors) the installation shall comply with the following installation
requirements: Operators shall control access to the beam within the hazard distance or install the product at
the height that will prevent spectators' eyes from being in the hazard distance. Radiation levels in excess of
the limits will not be permitted at any point less than 2.0 meter (SH) above any surface upon which persons
other than operators, performers, or employees are permitted to stand or less than 1.0 meter (SH) lateral
separation from any place where such persons are permitted to be. In non-cinema environments where
unrestrained behavior is reasonably foreseeable, the minimum separation height should be greater than or
equal to 3.0 meter to prevent potential exposure, for example by an individual sitting on another individual's
shoulders, within the HD.
Содержание Medea series
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