EN 62471
Certificate
Lucea 50
Measurements conditions
The irradiance measurements are performed at 1 meter, which is considered the working distance of the light.
The radiance measurements are performed with a field of view of 11 mrad, which is considered representative
of the usual eye’s exposure (several short time exposures).
The measurements are performed for an illuminance of 130,000 lux for Lucea 100 and 60,000 lux for Lucea 50.
The measurements and calculation are performed according to EN 62471. Only the worst values of each set-
tings and cupolas are summarized below. Please note that the official Group limits may not be relevant for the
specific use of surgical lights.
Lucea 100
Measurements results for Artificial Optical Radiations
For Blue light risk, the EN 62471 classification is Risk Group 1**.
For all other risks, the EN 62471 classification is Exempt Group*.
Case of Eye Surgery: Maximum time allowed for a patient’s eye under the cupola (positioned at the center of
the light patch), depending upon Illuminance:
*Exempt Group (RG 0): where no optical hazard is considered reasonably foreseeable, even for continuous, unrestricted use.
**Risk Group 1 (RG 1): products are safe for most use applications, except for very prolonged exposures where direct ocular exposures may be expected
Irradiance results
Lucea 50 Lucea 100
E
H
250 W.m
500 W.m
E
S
7.82 10
W.m
1.56 10
W.m
E
UVA
0.184 0.368
E
IR
0.00 0.00
Radiance results
Lucea 50 Lucea 100
L
B
11 mrad 5,800 W.m
.sr
5,800 W.m
.sr
L
R
11 mrad 77,700 W.m
.sr
77,700 W.m
.sr
Illuminance Seings Time without any risk
Lucea 50
Maximum (60,000 Lux) 3 minutes
Minimum (24,000 Lux) 7 minutes
Lucea 100
Maximum (120,000 Lux) 3 minutes
Minimum (54,000 Lux) 7 minutes
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