This product has been tested for safety. Note the following precautions:
| Warning Do not substitute parts or modify the system, or install unsuitable parts in the system. Improper modification can damage the product or lead to malfunction. |
| Warning Do not perform installation or maintenance procedures when there is a risk of thunderstorm or lightning activity in the area. |
| Warning Follow the risk assessments you have carried out for the installation work. To ensure safety, make sure that all work is organized and planned, and carried out by competent persons. |
| Warning Follow local and state legislation and regulations on occupational safety. |
| Warning Failure to comply with these precautions or with specific warnings elsewhere in these instructions violates safety standards of design, manufacture, and intended use of the product. Vaisala assumes no liability for the customer's failure to comply with these requirements. |
| Warning If the equipment is used in a manner not specified by Vaisala, the protection provided by the equipment may be impaired. |
| CAUTION Improper modification can damage the product or lead to malfunction. Any modification voids your warranty. |