Vaisala PWD22 - Safety

Chapter 1 ________________________________________________________ General Information
VAISALA _______________________________________________________________________ 11
Safety
Vaisala Present Weather Detector PWD22/52 delivered to you has been
tested for safety and approved as shipped from the factory. Note the
following precautions:
WARNING!
The chassis
of the PWD22/52 must be connected to a good electrical
earth.
WARNING!
Do not touch the surface of the RAINCAP
®
Rain sensor plate. When you
need to touch the sensors plate, for example during cleaning, touch first a
metallic part of
PWD22/52 to discharge your body’s electrostatic load.
The measuring principle does not allow for proper ESD protection.
WARNING!
Do not operate the equipment in the presence of flammable gases or
fumes. Operation of any electrical instrument in such an e
nvironment
constitutes a definite safety hazard.
WARNING!
A lightning strike through a communication wire can cause voltage surge
dangerous to life at remote sites if the remote units are not properly
grounded.
CAUTION!
Do not modify or substitute parts in the instrument. Contact Vaisala or its
authorized representative for repairs.
CAUTION!
Tighten the connector properly. The cable connector must not swing in
relation to the fixed connector.