Vaisala HydroMet Service Manual download pdf (Page 65)

Chapter 8 ____________________________________________________________________ Masts

VAISALA________________________________________________________________________ 63

CHAPTER 8

MASTS

DKP206W & DKP210W - Pole Masts

The Vaisala Tiltable Masts DKP206W (6 m high) and DKP210W (10

m high) are suitable for a wide range of surface weather and

climatological applications. The mast tubes are made of anodized

aluminum. The remaining parts of the main assembly are made of

stainless steel to resist weathering. The mast is painted white. One

maintenance person can effortlessly tilt the mast with the optional,

easily detached winch to maintain the sensors and other equipment

installed on the upper mast assembly. This significantly reduces the

costs associated with maintaining the automatic weather station. The

basic mast delivery includes the lightning rod with grounding cable,

one set of guy wires, the lifting rod and the foundation set. All the

components are packed in durable cardboard boxes suitable for

airfreight.

The lightning rod protects the sensors and other equipment by means

of non-conductive holders and grounding via one of three guy wires

totally isolated from the mast. The equipment is always grounded to a

separate grounding point. With one standard set of guy wires, the mast

can easily withstand winds of up to 50 m/s when the weather station

enclosure, solar panel and sensors are installed on it. The optional

second guy wire set enables the DKP210W to withstand winds of up

to 75 m/s. The foundation set includes all parts needed to construct a

steady and correctly oriented base for the mast. The only additional

item needed at the installation site is concrete or an existing concrete

block.

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Vaisala HydroMet Service Manual Page 65