DAVIS Weather Monitor II Guide de dépannage télécharger pdf (Page 15)

Installing the Anemometer

Weather Monitor II Page 11

ANTENNA MAST OR METAL PIPE

- OUTSIDE DIAMETER 3/4 TO

1 1/4 INCHES (19 TO 32 MM)

1. Make sure that the antenna mast or metal pipe is properly

grounded. If you are not sure, consult a qualiﬁed professional.

2. Hold the anemometer base against the pipe and insert the two

U-bolts through the back of the base so that the U-bolts wrap

around the pipe.

3. Place a 1/4-inch washer and a 1/4-20 hex nut over each end of

the U-bolts. Use a wrench to tighten the hex nuts.

METAL MAST OR PIPE - OUTSIDE DIAMETER GREATER THAN 1 1/4 INCHES (32 MM)

1. Obtain two stainless steel hose clamps large enough to ﬁt

around the mast or pipe and the anemometer base. These can

be purchased at your local hardware store.

2. Make sure that the metal mast or pipe is properly grounded. If

you are not sure, consult a qualiﬁed professional.

3. Hold the anemometer base against the pipe and fasten the hose

clamps over the anemometer base and around the metal mast

or pipe.

To Attach the Wind Vane

To mount the wind vane, you will need to look at the console display. You may

wish to have a friend or family member on the ground do this for you. Or, you

may wish to bring the console and junction box onto the roof with you.

1. After installing the anemometer, re-insert the plug at the end of the anemometer

cable into the jack marked WIND on the junction box

2. Press WIND on the console until a wind direction reading and the word DIRECTION

appear on the display.

3. Use a compass or local area map to determine which direction (N, S, E, W, NE, etc.)

the anemometer arm is pointing.

4. Use the wind direction chart to ﬁnd the

degree reading which corresponds to that

direction.

5. Slowly turn the wind direction shaft with your

ﬁngers. Stop turning when the console display

reaches the degree reading obtained in step

6. Being careful to keep the stainless steel shaft

from turning, place the wind vane on the shaft

with the bullet-shaped nose of the vane point-

ing in the same direction as the arm.

Metal Pipe

Hose Clamps

0° N

180° S

270° W90° E

45° NE315° NW

135° SE225° SW

WIND DIRECTION CHART

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 47 48

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DAVIS Weather Monitor II Guide de dépannage Page 15

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