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The iconic eco-compact dishwasher
Dimensions and technical information
Download or view our user guides
What is Bob Ultraviolet and How Do I use it?
With the new Bob ultraviolet feature you can disinfect all kinds of objects. Especially right now it’s important to keep everyday objects free of germs. To help with this, you can now disinfect daily objects with Bob, thanks to the waterless ultraviolet module.
Any object smaller than 27x27x34cm (the interior of Bob) can be disinfected.
HOW DOES THE ULTRAVIOLET option WORK?
UVC technology has been used for years to sterilize everything from water to hospital equipment (the UVC radiation method), and was recently used by American hospitals to combat surgical mask shortages.
The principle used is the transmission of high-energy photons (wavelengths between 200nm and 280nm, peak efficiency at 270nm), which break down the DNA and RNA molecules of bacteria and viruses. This makes UVC exposure dangerous for humans as it destroys exposed cells, causing burns. Bob is completely safe to use, however, as the photons can’t penetrate his walls or porthole.
According to several published studies on the destruction of SARS-COV-1, a dose of 2-5 mJ / cm2 is sufficient to disinfect against SARS-COV-1. As a precaution, we use a dose 20 times higher, 100 mJ / cm2. The reduction in the number of viruses is logarithmic, since the rate of virus denaturation by UVC follows a decreasing exponential law.
For safety, Bob turns off the UVC light automatically and immediately when the door is opened. In addition, the porthole is treated with an additive to block UVC rays. Bob’s with the UVC feature have all the normal functions of the other mini dishwashers, including the graphic user interface, enabling easy navigation between the different modes.
What is Bob Ultraviolet and How to use it?
With the new Bob ultraviolet you can now disinfect all kinds of objects. Especially at the present time and with the current coronavirus situation, it is important to keep everyday objects free of germs, such as viruses and bacteria. To ensure this, you can now disinfect moisture-sensitive objects with Bob, thanks to the ultraviolet module.
All types of objects that are no larger than 27x27x34cm can be disinfected.
HOW DOES THE ULTRAVIOLET option WORK?
UVC technology has been used for years to sterilize water or utensils in hospitals (so-called UVC radiation method) and was recently used by American hospitals to overcome shortages of surgical masks.
The principle used is the transmission of high-energy photons (wavelength between 200nm and 280nm, peak efficiency at 270nm), which break the DNA and RNA molecules of bacteria and viruses. This is why UVC is dangerous for humans, as it destroys exposed cells, in particular it can cause skin and eye burns. For this reason, we have taken measures to prevent exposure and make the use of Bob safe.
According to several published studies on the destruction of SARS-COV-1, a dose of 2-5 mJ / cm2 is sufficient to disinfect SARS-COV-1. As a precaution, we use a 20 times higher radiation dose, namely 100 mJ / cm2. This reduction in the number of viruses is logarithmic, since the rate of virus inactivation by UVC follows a decreasing exponential law.
To ensure safety when using the UVC disinfection mode, Bob ends UVC automatically and immediately with the help of sensors when the door is opened. In addition, the door window is treated with an additive to filter UVC and only let visible light through. Finally, the Bob UVC remains a mini dishwasher with all the normal functions of Bob, including its graphical user interface, which enables easy navigation between the different modes.