How about a windshield washer pump?  Seems about the right size and would
be relatively cheap $10-20?  Plus runs on 12v dc.

Later,

Gary

At 10:31 AM 3/18/2004, John Waters wrote:
>Hi All,
>
>I'm doing a project that needs dispersing regularly a non-corrosive liquid
>to a tank in small amount (20 - 30 ml each time). I need a pump that could
>run on d.c. so that my timer circuit can control its operation, an
>alternative is, I buy a pump head and install it to a d.c. motor myself.
>Does anyone know if there is any low cost d.c. pump or pump head available
>in the market?
>
>Thanks in advance!
>
>John

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