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Vaisala FOC201 User Manual

Vaisala FOC201
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Improving Weather Station Grounding
You can improve the grounding of Vaisala weather stations to make the weather station less
susceptible to damages caused by lightning.
While visiting the site, check also that the enclosure and sensor cables have been grounded according
to the instructions.
For more detailed information on grounding, see Grounding and Lightning Protection in Vaisala
Outdoor Installations Technical Reference.
More Information
Improving Grounding of Stainless Steel Flanges (page 2)
Improving Grounding of Rubber Flanges (page 5)
Checking Weather Station Grounding (page 6)
M212202EN-A
Technical Note
Improving Weather Station Grounding
AWS310, AWS310SITE, AWS430, FOC201, RME111
PUBLISHED BY
Vaisala Oyj
Vanha Nurmijärventie 21
FI-01670 Vantaa, Finland
Phone:+358 9 8949 1
© Vaisala 2018
All rights reserved. Any logos and/or product names are trademarks of Vaisala or its individual partners.
Any reproduction, transfer, distribution or storage of information contained in this document is strictly
prohibited. All specifications — technical included — are subject to change without notice.

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Vaisala FOC201 Specifications

General IconGeneral
Measurement TechnologyForward scatter
Operating Temperature-40...+60 °C
Measurement Range (Relative Humidity)0...100 %RH
Protection ClassIP66
Accuracy (Wind Direction)±3 ° at wind speed > 3 m/s
OutputRS-485, SDI-12
Parameters MeasuredVisibility, wind speed, wind direction, temperature, pressure
Power Supply (RH sensor)10...30 VDC
MaterialAluminum
Accuracy (Visibility)±10 % (10...10, 000 m), ±20 % (10, 000...50, 000 m)
Accuracy (Wind Speed)±0.3 m/s or ±3 % (0...50 m/s)

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