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PICList Thread
'PIC Project - need pcb mountable air pump..'
1996\11\06@082502 by Mark D Doble

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Hi Pic List,

       I am searching for a circuit board mountable air pump that can
generate up to 2psi (~25kPa).  I need to evacuate a 3/16" tube that is
in 13" of water which would require ~10KPa of pressure.

       I have checked everywhere for this pump...I know there must be a
good source because of all of the small blood pressure monitor devices
on the market use a small air pump to inflate the cuff.

       I have perused the thomas register, newark, hallmark, digikey,
etc....does anyone know a manufacturer of these type of pumps.

       My device is measuring the volume of water in a 13inch high
container.  Currently I am using a fish tank pump...but I want to be
able to integrate the pump in my enclosure and control the pump with a
simple transistor switch.

Thanks for any assistance....

Mark Doble

spam_OUTmddTakeThisOuTspamatl.hp.com

1996\11\06@084758 by tjaart

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Mark D Doble wrote:
{Quote hidden}

How about an aquarium air pump?

--
Friendly Regards

Tjaart van der Walt
______________________________________________________________
|  Another sun-deprived R&D Engineer slaving away in a dungeon |
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1996\11\07@072310 by Luis Fernandez

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Hi Mark Doble (That's a couple of marks in Spanish.....bad joke, sorry !)


>Hi Pic List,
>
>        I am searching for a circuit board mountable air pump that can
>generate up to 2psi (~25kPa).  I need to evacuate a 3/16" tube that is
>in 13" of water which would require ~10KPa of pressure.
>
<...........original cutted here.........>

I got a nice catalog from a US company which deals with lots of optical
components, motors, pumps, etc. My catalogue is one year old but have been
looking to the pumps and they have some to choose. I'm afraid that all of
them are designed to work with water rather than air. Don't know if they
will work with air too, but just call and ask them.

Company is: Edmund Scientific
           Tech info and support: 1-609-573-6259
                              Fax:1-609-573-6233
           Order phone: 609-573-6250
                 fax: 609-573-6295

Ask for the pumps reference: ES50,345
                            ES52,120
                            ES60,307
                            ES52,107

All them are different. Hope it helps. Anyway ask for the catalogue, is a
very nice tool.


Luis Fernandez Cormenzana
RadioBit Sistemas, S.L.

Fax/Tel:+34-6-585 64 57
e-mail: radiobitspamKILLspamdragonet.es
http://www.dragonet.es/users/radiobit

1996\11\07@102124 by Odriozola belden

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You can find 6 volt battery powered fish tank pumps in pet shops. If you
take the pump out of its enclosure, wich is 90% battery space, you get a
really small pump, about 1.25" x .75". If its a one piece project or very
low quantity you can cut out the plastic part of the pump thats integrated
to the enclosure on cheap pumps.

Rogerio


At 08:24 AM 6/11/96 EST, you wrote:
{Quote hidden}

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