Patent ID: 9372167
Filing Date: 2016-06-21
CPC Classification: G01N

Claim Text:
1. An oxidation-reduction potential test device, comprising: a substrate; a spacer layer interconnected to at least a portion of the substrate, wherein the spacer layer defines a sample chamber; a test strip overlay, wherein the test strip overlay is interconnected to at least a portion of the spacer layer; a first test lead supported by the substrate, the first test lead including: a second test lead supported by the substrate, the second test lead including: a reference cell; a reference lead, including: a filter, wherein at least a portion of the filter overlaps at least a portion of each of the first area of the first test lead, the first area of the second test lead, and the first area of the reference lead; and a gel volume, wherein the gel volume includes a first layer in contact with the reference cell and a second layer over the first layer, wherein the first layer differs in composition from the second layer, wherein the first layer comprises an agarose and hydroxyethyl cellulose layer, and wherein the second layer comprises an agarose and KCl layer.