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7. Troubleshooting
70
Part Feeding 7.0 IF-240 Rev.7
Appendix: Condition of use of backlight
CONDITIONS OF USE OF PRODUCTS TPL VISION
TABLE OF CALCULATION
THE REQUIREMENTS BELOW ARE IN STRICT COMPLIANCE WITH THE
STANDARD
NF EN62471 “LAMPS PHOTOBIOLOGICAL SAFETY”
THIS DOCUMENT ISN’T A CERTIFICATE AND CAN’T BE USED AS WELL BUT ONLY AS PRECONISATIONS FOR USERS
Board specifications
1 brick 8 leds 200x150 green
Info Source to LEARN
Exposure time to the source
0.25
Seconds
1
Wavelength
525
nm
Color temperature
K
2
Total Angle
150
°
3
For the visible:
Output Intensity
Cd
Output Power
150
Lm
For the Non-Visible:
Power density
0.000
W/
㎡
4
Number of LED
8
LED
5
If you use a lens,
Efficiency in candela per lumen
2.5
Cd/Lm
CALCULATION from information about the Source
Calculation of maximum permissible exposure
(MPE):
25.456 W/
㎡
13665.66445 Lm/
㎡
Calculation of power density for visible source:
Surface illuminated by the source:
0.437567409
㎡
Power of one LED:
150 Lm
Power density for one LED:
342.804324 Lm/
㎡
Calculation of power density for a non-visible source:
Surface illuminated by the source:
0.4376
㎡
Power density for one LED:
0.000 W/
㎡
CALCULATION for the safety of persons
Source Hazardous:
Power density for a visible source:
2742.434592 Lm/
㎡
Power density for a non-visible source:
0.000 W/
㎡
NOMINAL DISTANCE TO AVOID OCULAR HAZARD(DNRO)
FOR AN EXPOSURE TIME OF (Seconds): 0.25
Minimum safe distance in this case*
128
mm
* Consider as Hazard Zone Optics (NRA), or area within which the irradiance or radiant exposure exceeds the
maximum permissible exposure (MPE), all positions within an envelope of the remote DNRO.
Information:
Exposure time is fixed to 0.25s for this calculation table, which is the latency blink of the eye duration.
Output power: The maximum output power for the type of LED used in the product is 150 Lm under 350mA.
Number of Led: In the worst case, we can imagine that the person can see entirely the light.
Содержание Part Feeding 7.0 IF-240
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Страница 7: ...Hardware IF 240 ...
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