Campbell Scientific CS135 Lidar Ceilometer - Manual (Page 10)

CS135 Ceilometer
2
Ensure that the correct voltage supply is provided to the sensor.
1.4 Laser Safety
The CS135 sensor incorporates a laser diode which is rated as a class 3B device.
This is an embedded laser where the output from the sensor unit, through the
optics, is minimised to class 1M. This classification indicates that viewing of the
beam with the naked eye is safe but looking directly into the beam with optical
instruments, e.g. binoculars can be dangerous.
From the laser head the output has the following characteristics:
Maximum pulse energy: 73 nJ
Pulse duration: 100 ns
Pulse frequency 10 kHz
Wavelength: 905 nm
EN 60825-1:2001
The sensor is marked with the following warning:
INVISIBLE LASER RADIATION
DO NOT VIEW DIRECTLY WITH OPTICAL INSTRUMENTS
CLASS 1M LASER PRODUCT
Removing the laser module with the power applied to the
CS135 or battery connected may expose the user to
hazardous class 3B laser radiation.
No attempt should be made to operate the laser module
outside of the housing.
Check that the laser warning label on the sensor is still
visible and can be clearly read on an annual basis.
When installing the sensor avoid pointing the laser
housing towards areas where binoculars are in common
use.
1.5 Electrical Safety
As the sensor is powered from potentially hazardous mains voltages the wiring of
its power supply should only be carried out by personnel qualified to install
electrical equipment. For permanent installations outside, this usually requires a
certified electrician who is also familiar with local electrical and safety legislation.
Some general guidance is given in section 5.5, but the responsibility for the
installation lies with that installer.
CAUTION
WARNING
WARNING