water quantity measuring

[RathaMsc]

Dear all
Can any one show me how to measure water automatically in a bottle
I want to fill 500 ml in a bottle automatically only 1 press
Thank in advancei

[Normnet]

RathaMsc

Medical products engineering makes use of dispensing precision volumes.
Try Goggle.

Norm

[Jerson]

If you know the rate of flow (known pressure into a tube with known orifice size), it is easy to fill exactly 500ml by just timing how long the water should flow through such a tube. A simple solenoid should be sufficient to do that.

[aratti]

... Or you can use a load cell and measure the weight via ADC.
A home made dynamometer can be easily built with a spring and a switch.

Cheers

Al.