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Helioz is an Austrian Social Enterprise engaged in the development and sale of affordable products for households in low-income countries.

WADI™ - Our Product

WADI™ is a solar powered UV-measurement device that visualises the process of solar water disinfection (SODIS) in a PET-bottle. A happy smiley face on the WADI™ display indicates the point of time at which the UV-radiation of the sun has made contaminated water in a PET-bottle safe to drink.

 

 

 

Solar water disinfection is a natural process, in which the UV-radiation of the sun inactivates harmful pathogens in the water. The process only requires PET-bottles, which are filled with contaminated water and are then exposed to the sun. The duration of this disinfection process varies and is determined by the sun's UV-intensity. WADI™ was developed to visualise this process and to make it reliable and practicable for affected people in low-income countries.

WADI™ measures the UV-radiation of the sun and lets the user know as soon as at least 99.9% of coliform bacteria in the water have been inactivated. By the use of solar water disinfection and WADI™, the occurrence of waterborne diseases in low-income countries can be strongly reduced.

In comparison to other disinfection methods, the advantage of this technique is that it neither requires filters, chemicals, batteries nor maintenance. Solar water disinfection makes sole use of the disinfecting power of the sun's UV-radiation. In combination with WADI™, the method provides low-income households with a practicable and sustainable solution for getting access to clean water. WADI™ comes with a product guarantee of two years.


 

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Helioz GmbH | Ruedigergasse 10 | 1050 Vienna | Austria | Tel: +43-1-5850004-44 | Fax: +43-1-8152015 | office@helioz.org
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