Patent ID: 6543493
Filing Date: 2003-04-08
Classification: G01F,Y10T

Abstract:
A liquid chemical container apparatus for dispensing liquid chemical, the apparatus allowing measurement of both concentration and amount of a liquid chemical in the liquid chemical container, the apparatus comprising:(a) a container body having an optical member optically connected to said container body, the optical member having a distal end and a proximal end, the distal end adapted to extend into the liquid chemical contained in the container body; (b) a light source optically connected to said optical member, said light source able to transmit light through the optical member; (c) a light receptor optically connected to said optical member, said light receptor able to receive light reflected from said liquid chemical, said light reflected from said liquid chemical being transmitted through said optical member; and (d) means for optical discrimination between liquid chemical of different optical properties, said means for optical discrimination optically connected to said optical member.