UNGER Stingray: Tested in direct comparison
UNGER developed Stingray in a global project. Sabine Rose Mück and her team from HyCo Mück were involved right from the prototype phase. clean Magazine put three questions to her on the product idea and the accompanying study:
What is so wrong with working with a spray bottle and cloth?
Sabine Rose Mück: Working with a spray bottle and cloth takes time and can lead to various errors. On top of that, the movement is one-sided and professionals find it difficult to reach angled areas and great heights. The particulate materials in the spray mist are also extremely harmful to the health of the user.
The Stingray system is supposedly faster, more flexible, more ergonomic and more economic than spray and cloths. What criteria did you examine these advantages against?
Sabine Rose Mück: For the study, we had the Stingray system tested by employees from the cleaning industry on different buildings, all of which posed different challenges. Their neutral assessments provided perfect pointers towards potential for improvements. Then there was another test phase. The whole procedure was repeated until the test subjects had a perfect, practice-oriented product – from both their and our points of view – in their hand.
The concrete advantages, for example with regards to working speed, were then tested in direct comparison with a spray bottle and cloth on the same surface. In the process, we were able to establish that users of the Stingray system progressed a whole 25 percent faster and used 39 percent less cleaning fluid than those who worked with a spray bottle and cloth – whilst producing the same results.
You touched on the topic of working ergonomics – just how impressive is the Stingray system when it comes to this?
Sabine Rose Mück: The product is light and easy to move. Thanks to their triangular form, the poles sit nicely in the hand and make maneuvering comfortable. There is also no need to grip the pole tightly and one-sided strains are avoided. The weight distribution is ideal, as it ensures that the user can achieve a perfect contact pressure between the pad and the window pane, all the while working safely and without fatigue.
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