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> I doubt using it without water is a problem, but it DOES heat up (it'll heat > up water, too) so we turned it on only for the minute or two we were > actually filling a given chamber. Maybe if it was left on for hours..... > > The unit we have is a Bransonic 220. Its at least 10 years old, there's > probably no manual around here. There is a little warning label on it about > use with flammable liquids (duh) but nothing about no-water use. > > I suppose one could use it with water, but then you'd have to worry about > water leaking into the cart through the exit hole tape, and who needs any > more hassle? I'm actually surprised it works at all without water. Usually a fluid is needed to spread the vibrations from the transducer throughout the area of the bath container. I would expect it to work much better with water. Usually the heating problem is in the tranducer--not the bath. These are not designed for continuous use. Many have thermostats built in to prevent overheating. - Please turn off HTML mail features. Keep quoted material short. Use accurate subject lines. http://www.leben.com/lists for instructions.
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