| 摘要 |
A diagnostic device for use in performing clinical tests on a fluid, including a light transmitting plate and a panel adhered to and substantially covering the plate. The panel has an opening therein formed and a strip of pH testing material, substantially smaller than the panel, is fixed between the plate and the panel to fill substantially the opening, wherein the pH testing material produces a color indicative of fluid pH upon contact with the fluid. A window formed in the panel exposes a portion of the plate wherein the panel forms a wall on the perimeter of the window to confine fluid applied to the plate, within an area defined by the window.
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