Zencore Porosimeter – Precision Testing for Paraglider Porosity 

The Zencore Porosimeter provides an affordable and accurate solution for paragliders to measure and monitor the fabric’s porosity. Using the industry-standard JDC method, this device measures the time for a specific volume of air to pass through the fabric, converting those readings into real-world porosity values inline with industry standards using the JDC methodology. With readings taken near the leading edge, you can gain a complete understanding of your glider’s true condition and avoid costly surprises. 

Ensuring the safety and performance of your paraglider starts with understanding the true condition of its fabric. Paragliders are treated with a thin, invisible coating over the ripstop material, specifically designed to prevent air from passing through. While the fabric may appear visually intact, the real concern lies in the degradation of this protective layer over time. Environmental factors such as UV exposure, wear from ground handling, and extreme weather conditions can silently erode the coating. This can result in significant drops in porosity, even though the material seems undamaged to the naked eye. 

Failing to monitor this critical aspect of your glider can lead to unpredictable flight behaviour and serious safety risks, including the possibility of deep stall. That’s why regular porosity checks are not just recommended, but essential. 


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Full colour manual with step by step instructions provided on purchase, also available for digital download.

For pilots prioritising flight safety, the Zencore Porosimeter is a vital tool—quick, reliable, and designed to meet the demands of safety-conscious paragliders.