BARANI DESIGN MeteoShield, a solar radiation shield for weather station temperature sensors features a clean flowing design reminiscent of swirling flows and sea shells as found in nature. The unique continuous 27 piece double-helix spiral design is one-of-a-kind in the marketplace and serves a well deserved purpose in achieving superior measurement properties and unsurpassed sensor protection.

When looking through the side of the double-helix, one notices the freedom with which air can flow through its left side while the right side remains restricted, causing free moving air to organize into spiral flow around the centrally mounted sensor, which at the same time remains protected and out of sight.

Opposing goals of free airflow to the internal sensor and sensor protection from the sun, reflected radiation, rain, dirt and snow were realized in this spiral design which were not possible with traditional multi-plate and fan-ventilated shield designs.

Relationship between the outer and inner helix forms is inspired by the design of high-lift devices on wings and optimized using CFD, thus enabling vortex formation even in practically windless conditions.

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