Vaisala FD12P - Manual (Page 13)

Chapter 1 _________________________________________________________ General Information
VAISALA ________________________________________________________________________ 13
Product Related Safety Precautions
The FD12P Weather Sensor delivered to you has been tested for
safety and approved as shipped from the factory. Note the following
precautions:
WARNING Ground the product, and verify outdoor installation grounding
periodically to minimize shock hazard.
CAUTION Do not modify the unit. Improper modification can damage the
product or lead to malfunction.
Safety Summary
The following are general safety precautions must be observed during
all phases of installation, operation and maintenance.
WARNING Neglecting to follow these precautions or specific warnings and
cautions elsewhere in this manual violates safety standards of design,
manufacture and intended use of the instrument. Vaisala Oyj. and its
Subsidiaries do not answer for the consequences if the customer
neglects to follow these requirements.
Ground the Equipment
To minimize the hazard of electrical shock, follow accurately the
installation procedure in Chapter 3, Installation, on page 29.
NOTE Note that the chassis of the FD12P Weather Sensor must be
connected to a good electrical earth. The instrument is equipped with
a three-conductor AC power cable. Be sure that the earth wire of the
cable is connected to an electrical ground.
There is also a grounding clamp at the bottom of the electronics
enclosure of Weather Sensor FD12P. Good grounding with a 16-mm2