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Page 58 of 58 Report No. JSH006100256-002
IEC 60825-1
Clause
Requirement – Test
Result - Remark
Verdict
Appendix no. 2
TRF No: IEC/EN 60065H
TRF originator Intertek ETL SEMKO SH
Details of measurement procedure and measurement results:
Step
specified / measured / calculated
unit
Classification, Laser Class
1
-----
Typical wavelength of laser diode
λ
= 790 (CD)
λ
= 650 (DVD)
nm
nm
Emission duration
t = ∞
s
Time basis
T = 100
s
Size of apparent source
--
mm
Angular subtense
<1.5
mrad
Limiting angular subtense
α
min
= 1.5;
α
max
= 100
mrad
mrad
Angle of acceptance
γ
= N/A
mrad
Diameter of aperture stop
d = 7 (for Class 1)
mm
Distance of aperture stop to source
r = 14 (for Class 1)
mm
Calculation of AEL
(Class as above) :
(Radiant Power
[
W]
)
Used formula
(CD)Class 1: 3.9 x 10
-4
C
4
C
7
(DVD)Class 1: 3.9 x 10
-4
W
W
Used correction factors
C
4
=10
0.002(
λ
-700)
=1.51
C
7
=1
Accessible emission limit
(CD)Class 1: AEL
radiant
= 0.589
(DVD)Class 1: AEL
radiant
= 0.390
mW
mW
Measurement results:
Class 1
Normal condition
(CD)Pm
= 0.134
(DVD) Pm
= 0.173
mW
mW
Abnormal condition: Max. output power
(CD)Pm
= 0.250
(DVD) Pm
= 0.380
mW
mW
