Davis Anemometer (7911, 7914) User Manual download pdf (Page 3)

Choosing the Best Anemometer Location

Attaching the Wind Cups

Before installing the anemometer, attach the wind cups. Wait until you have

installed the anemometer before you attach the wind vane.

1. Push the wind cups onto the smaller of the

two stainless steel shafts.

Tighten set

screw with

Allen wrench

Push cups onto

stainless steel

shaft

Attaching the Wind Cups

2. Slide the wind cups as far up the shaft as possible.

3. Use the allen wrench provided to tighten the set screw on the side of the

win

d cups.

4. Spin the wind cups. If they do not spin freely

, loosen the set screw, lower

the cups slightly, then retighten the set screw.

5. Repeat Step 4 until the wind cups spin freely.

Choosing the Best Anemometer Location

Use the following guidelines to determine the best location for your 

anemometer.

• Install the anemometer in a location where wind flow is unobstructed by

trees and nearby bu

ildings.

• For the most accurate readings, the anemome

ter should be mounted at least

4 feet (1.2 m) above the roof line.

• You may do this by mounting the anemometer on a television antenna mast,

a wooden post, or

a metal pipe.

• Make sure the antenna mast or metal pipe is properly grounded. You may

want

to use Davis’ Grounding Kit.

• If you are not certain about how to ground your installation, consult a

qual

ified professional for national and local codes.

Note: If you live in an area subject to frequent thunderstorms, installing a lightning rod nearby can reduce

the risk of damage.

Orient the Wind Vane

The wind vane rotates 360° to display current and dominant wind directions

on the

compass rose of the console display. To obtain accurate readings, the

vane must be correctly oriented when mounting the anemometer outside. By

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Davis Anemometer (7911, 7914) User Manual Page 3

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