YOKOGAWA AQ7260 OTDR, User Manual, Page: 6 / 442

SAFETY PRECAUTIONS
V
Safety Precautions
This section must be read to ensure safe use of the instrument. After reading, keep this
manual in a safe place so that it can be referred to anytime it is required.
For Safe Use of Laser Products
This instrument uses a laser light source and as such, falls into the category of “class 1M
laser product” specified by “EN60825-1:1994 +A2:2001 Safety of Laser Products-Part 1:
Equipment Classification, Requirements and User’s Guide
”.
And the laser products comply with 21CFR1040.10 except for deviations pursuant to Laser
Notice No.50, dated May 27 2001.
Optical module AQ7261 AQ7264
Laser type FP-Laser InGaAsP FP-Laser InGaAsP
Laser class 1M 1M
Center wavelength 1310nm, 1550nm 1310nm, 1550nm
CW --------------------- ≤ 1mW@1310nm, 1550nm Output
power
PULSE ≤ 100mW@1310nm, 1550nm ≤ 100mW@1310nm, 1550nm
PULSE
WIDTH ≤ 20µs@1310nm(duty: ≤ 1.6%)
≤ 20µs@1550nm(duty: ≤ 1.6%)
≤ 20µs@1310nm(duty: ≤ 1.6%)
≤ 20µs@1550nm(duty: ≤ 1.6%)
50µs@1550nm(duty: ≤ 0.8%)
Optical module AQ7265
Laser type FP-Laser InGaAsP
Laser class 1M
Center wavelength 1310nm, 1550nm
CW ≤ 1mW@1310nm, 1550nm Output
power
PULSE ≤ 100mW@1310nm, 1550nm
PULSE
WIDTH ≤ 20µs@1310nm(duty: ≤ 1.6%)
≤ 20µs@1550nm(duty: ≤ 1.6%)
50µs@1550nm(duty: ≤ 0.8%)
INVISIBLE LASER RADIATION
DO NOT VIEW DIRECTLY WITH OPTICAL INSTRUMENTS
CLASS 1M LASER PRODUCT