A follow-up note to the blog on automatic vs push button hand dryers:
One of the reasons that a lot of push button hand dryers are still specified is that some people feel that they are not as easy to vandalize as motion-sensor hand dryers. This is because some vandals will try to damage the automatic sensor either by scratching it or putting gum on it. I have not seen this problem occur a lot, but it is a legitimate concern. The sensor eye is of course made to resist scratching, and even a scratched or partially covered sensor will still work, but is is possible to do some damage if one were to really work at it. Additionally dryers are programed to stop running after a period of time if the sensor is blocked, but the substance still needs to be removed from the dryer by a maintenance person.
On the other hand a push button can also be vandalized, but maybe not as easily. It is common, for example, to see the button itself sprung out from the cover. This occurs when the clip holding it in place pops out. It can be fixed by purchasing a new clip.
For hand dryers in the US, please see RestroomDirect.com. In Europe, please see Bavada.com
Wednesday, April 8, 2009
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