Vaisala AWS430 User Manual

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, AWS310‑SITE, 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.

Vaisala AWS430 Specifications

General

Measurement Parameters	Wind speed, wind direction, temperature, relative humidity, barometric pressure, precipitation
Wind Direction Range	0 to 360 degrees
Precipitation Measurement	Yes
Power Supply	10 to 30 VDC
Enclosure Rating	IP66
Temperature Range	-52 to +60 °C
Relative Humidity Range	0 to 100% RH
Barometric Pressure Range	600 to 1100 hPa
Data Interface	RS-485, SDI-12
Operating Temperature	-52 ... +60 °C
Wind Direction Accuracy	±3 °

Summary

Improving Weather Station Grounding

Improving Grounding of Stainless Steel Flanges

Detailed steps for improving grounding via stainless steel flanges, including screw torque specifications.

Improving Grounding of Rubber Flanges

Guidance on checking and tightening screws for rubber flanges to ensure proper grounding.

Checking Weather Station Grounding

Verification steps for ensuring the weather station enclosure and sensor cables are correctly grounded.