You might try http://www.labtronics.com/ - they specialise in Laboratory equipment and balance interfaces but they might have something that would help.

>Greetings dear friends.
>I am writing them in this opportunity with the intention of requesting their valuable collaboration.
>At the moment I am converting a system made in foxpro 2 to visual foxpro; this system manages scales to take the weight of the products that they are sold. These scales can be big or small depending on the quantity of products.
>Will have some of yours a function, does it program or does librery to get the weight give you my system and then to manipulate it according to my necessities.?
>I thank them in advance their collaboration.
>Really thank you.