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Page 57 of 57 Report No. SH08050531-001
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
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 = 50 (for Class 1)
mm
Distance of aperture stop to source
r = 100 (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
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
mW
Measurement results:
Class 1
Normal
Pm
= 0.346
mW
Abnormal
Pm
= 0.508
mW
