PWS100 Present Weather Sensor - Campbell Scientific
PWS100 Present Weather Sensor - Campbell Scientific
PWS100 Present Weather Sensor - Campbell Scientific
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Section 2. Cautionary Statements<br />
2.1 <strong>Sensor</strong> Unit Safety<br />
The <strong>PWS100</strong> sensor has been checked for safety before leaving the factory and<br />
contains no internally replaceable or modifiable parts.<br />
WARNING<br />
Do not modify the <strong>PWS100</strong> unit. Such modifications<br />
will lead to damage of the unit and could expose users<br />
to dangerous laser light levels and voltages.<br />
WARNING<br />
In unusual failure modes and environmental<br />
conditions the sensor hood could become hot. In<br />
normal operation they will be at ambient temperature<br />
or slightly above.<br />
CAUTION<br />
Ensure that the correct voltage supply is provided to the sensor.<br />
2.2 Laser Safety<br />
The <strong>PWS100</strong> sensor incorporates a laser diode which is rated as a class 3B<br />
device. This is an embedded laser where the output from the sensor unit,<br />
through the optics, is minimized to class 1M. This classification indicates that<br />
viewing of the beam with the naked eye is safe but looking directly into the<br />
beam with optical instruments, e.g. binoculars can be dangerous.<br />
From the laser head the output has the following characteristics:<br />
Maximum pulse energy: 73 nJ<br />
Pulse duration: 5.2 μs<br />
Wavelength: 830 nm<br />
EN 60825-1:2001<br />
The sensor is marked with the following warning:<br />
INVISIBLE LASER RADIATION<br />
DO NOT VIEW DIRECTLY WITH OPTICAL INSTRUMENTS<br />
CLASS 1M LASER PRODUCT<br />
Opening the laser head unit with the power applied to the <strong>PWS100</strong> may expose<br />
the user to hazardous laser radiation. To open the unit requires the use of tools<br />
and should not be carried out except by authorized personnel using appropriate<br />
safety eyewear.<br />
2-1