On Tue, 2 Jul 2002, Jon Baker wrote:

>Myself and my father have been trying for years (really) to find a good
>source for ultrasonic transducers for cleaning tanks. We followed up a bunch
>of leads on the web but unless you want to buy a few thousand the cost is
>outrageous. My dad wrote to EPE and asked them about a ultrasonic cleaner
>project ( I think one of the electronic magazines they swallowed up ran such
>a project about 20 years ago ) but the answer they gave was that they werent
>interested because the transducers were difficult to find for the hobbyist.
>Shame really.

The transducers are expensive because there is a limited market. Also
mounting one inadequately will immediately kill it on turn on. Also they
are moderately dangerous even without the high voltage.

If you want to DIY look into magnetostrictive transducers. These you can
build yourself. Try Nickel ones and also ferrite.

Peter

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