Fluid tester and method of use
First Claim
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1. An integrated, multi-test, immersable test strip-type fluid testing device for simultaneously determining the value of each of a plurality of properties of a fluid to be tested, the fluid testing device comprising:
- a test substrate; and
a plurality of test sections, located on said test substrate, each of said test sections including;
a test sub-section which exhibits a reaction color according to said value, as a result of reaction of a reagent with said fluid, said reagent being impregnated within said test sub-section prior to testing; and
a reference section located adjacent to said test sub-section, said reference section including a plurality of different reference colors and being arranged such that each of said plurality of reference colors is situated adjacent to and in contact with said test sub-section, wherein said test sub-section substantially encompasses said entire reference section having said plurality of different reference colors, such that, when said test sub-section exhibits said reaction color in accordance with a fluid property value, said value is indicated by a matching one of said reference colors which lies against said test sub-section reaction color, so as to become substantially visually merged therewith,said device enabling fluid analysis of the test fluid by a self-contained, one-step procedure of immersion of the entire strip including both said test sub-section and said reference section, reaction during immersion and color reading of said reaction results upon retrieval from the test fluid,wherein reading of said indicated value in each test sub-section is performed by visually matching said test sub-section reaction color with said substantially visually merged one of said different reference colors due to self-alignment therebetween,such that said indicated value of each of the plurality of fluid properties can be simply read in a straight forward matching process with improved accuracy in simultaneous and immediate fashion,without requiring the physical alignment of said test sub-section reaction color with said reference colors,said indicated value of each of the plurality of multi-test fluid properties being provided in a recordable form,thereby enabling review of an entire set of said reaction results by summary inspection,wherein said plurality of multi-test fluid properties forms a group consisting essentially of pH, total hardness, nitrate, nitrite, free chlorine and copper.
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Abstract
Fluid testing device for determining the value of each of a plurality of properties of a fluid, the fluid testing device including a planar base and a plurality of test sections, located on the planar base, each of the test sections including a test sub-section which exhibits a color according to the value, as a result of reaction of a reagent with the fluid and a reference section located adjacent to the test sub-section, the reference section including a plurality of different reference colors.
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Citations
38 Claims
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1. An integrated, multi-test, immersable test strip-type fluid testing device for simultaneously determining the value of each of a plurality of properties of a fluid to be tested, the fluid testing device comprising:
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a test substrate; and a plurality of test sections, located on said test substrate, each of said test sections including; a test sub-section which exhibits a reaction color according to said value, as a result of reaction of a reagent with said fluid, said reagent being impregnated within said test sub-section prior to testing; and a reference section located adjacent to said test sub-section, said reference section including a plurality of different reference colors and being arranged such that each of said plurality of reference colors is situated adjacent to and in contact with said test sub-section, wherein said test sub-section substantially encompasses said entire reference section having said plurality of different reference colors, such that, when said test sub-section exhibits said reaction color in accordance with a fluid property value, said value is indicated by a matching one of said reference colors which lies against said test sub-section reaction color, so as to become substantially visually merged therewith, said device enabling fluid analysis of the test fluid by a self-contained, one-step procedure of immersion of the entire strip including both said test sub-section and said reference section, reaction during immersion and color reading of said reaction results upon retrieval from the test fluid, wherein reading of said indicated value in each test sub-section is performed by visually matching said test sub-section reaction color with said substantially visually merged one of said different reference colors due to self-alignment therebetween, such that said indicated value of each of the plurality of fluid properties can be simply read in a straight forward matching process with improved accuracy in simultaneous and immediate fashion, without requiring the physical alignment of said test sub-section reaction color with said reference colors, said indicated value of each of the plurality of multi-test fluid properties being provided in a recordable form, thereby enabling review of an entire set of said reaction results by summary inspection, wherein said plurality of multi-test fluid properties forms a group consisting essentially of pH, total hardness, nitrate, nitrite, free chlorine and copper. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 30)
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27. A method for determining the value of each of a plurality of multi-test properties of a fluid, the method comprising the steps of:
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providing a plurality of test sections on a test substrate; pre-associating a multiple color reference scheme with a property test substance which has been impregnated within each of a respective one of said test sections prior to testing, such that each reference color of said reference scheme is situated adjacent to and in contact with said property test substance on said test section, wherein said test section substantially encompasses said entire reference scheme having said multiple reference colors; immersing said test substrate in said fluid, the property test substance on each test section exhibiting, in accordance with a value of said fluid property, a test reaction color that matches one of the reference colors located on its adjacent reference scheme, so as to become substantially visually merged therewith; identifying said exhibited test reaction color of said property test substance that matches a selected one of different reference colors of said multiple color reference scheme, without requiring the physical alignment of said test sub-section with said reference colors; and determining a respective one of said values according to the outcome of said identifying step, by visually matching said exhibited test reaction color with one of said different reference colors due to self-alignment therebetween, said determined respective one of said values being provided in a recordable form thereby enabling review of an entire set of said reaction results by summary inspection, wherein said plurality of multi-test fluid properties forms a group consisting essentially of pH, total hardness, nitrate and nitrite. - View Dependent Claims (28)
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29. A method for determining the value of each of a plurality of multi-test properties of a fluid, the method comprising the steps of:
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providing a plurality of test sections, each located on the inner wall of a respective one of a plurality of containers; pre-associating a multiple color reference scheme with a property test substance which has been impregnated within each of a respective one of said test sections prior to testing, such that each reference color of said reference scheme is situated adjacent to and in contact with said property test substance on said test section, wherein said test section substantially encompasses said entire reference scheme having said multiple reference colors; subjecting said test sections to said fluid, the property test substance on each test section exhibiting, in accordance with a value of said fluid property and upon contact with said fluid, a test reaction color that matches one of the reference colors located on its adjacent reference scheme, so as to become substantially visually merged therewith; identifying said exhibited test reaction color of said property test substance that matches a selected one of different reference colors of said multiple color reference scheme, without requiring the physical alignment of said test sub-section with said reference colors; and determining a respective one of said values according to the outcome of said identifying step, by visually matching said exhibited test reaction color with one of said different reference colors due to self-alignment therebetween, said determined respective one of said values being provided in a recordable form thereby enabling review of an entire set of said reaction results by summary inspection, wherein said plurality of multi-test fluid properties forms a group consisting essentially of pH, total hardness, free chlorine and total chlorine.
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31. An integrated, multi-test, immersable test strip-type fluid testing device for simultaneously determining the value of each of a plurality of properties of a fluid to be tested, the fluid testing device comprising:
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a test substrate; and a plurality of test sections, located on said test substrate, each of said test sections including; a test sub-section which exhibits a reaction color according to said value, as a result of reaction of a reagent with said fluid, said reagent being impregnated within said test sub-section prior to testing; and a reference section located adjacent to said test sub-section, said reference section including a plurality of different reference colors and being arranged such that each of said plurality of reference colors is situated adjacent to and in contact with said test sub-section, wherein said test sub-section substantially encompasses said entire reference section having said plurality of different reference colors, such that, when said test sub-section exhibits said reaction color in accordance with a fluid property value, said value is indicated by a matching one of said reference colors which lies against said test sub-section reaction color, so as to become substantially visually merged therewith, said device enabling fluid analysis of the test fluid by a self-contained, one-step procedure of immersion of the entire strip including both said test sub-section and said reference section, reaction during immersion and color reading of said reaction results upon retrieval from the test fluid, wherein reading of said indicated value in each test sub-section is performed by visually matching said test sub-section reaction color with said substantially visually merged one of said different reference colors due to self-alignment therebetween, such that said indicated value of each of the plurality of fluid properties can be simply read in a straight forward matching process with improved accuracy in simultaneous and immediate fashion, without requiring the physical alignment of said test sub-section reaction color with said reference colors, said indicated value of each of the plurality of multi-test fluid properties being provided in a recordable form, thereby enabling review of an entire set of said reaction results by summary inspection, wherein said plurality of multi-test fluid properties forms a group consisting essentially of pH, total hardness, free chlorine, total chlorine and at least one of the subgroup of lead, zinc, iron and copper.
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32. An integrated, multi-test, immersable test strip-type fluid testing device for simultaneously determining the value of each of a plurality of properties of a fluid to be tested, the fluid testing device comprising:
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a test substrate; and a plurality of test sections, located on said test substrate, each of said test sections including; a test sub-section which exhibits a reaction color according to said value, as a result of reaction of a reagent with said fluid, said reagent being impregnated within said test sub-section prior to testing; and a reference section located adjacent to said test sub-section, said reference section including a plurality of different reference colors and being arranged such that each of said plurality of reference colors is situated adjacent to and in contact with said test sub-section, wherein said test sub-section substantially encompasses said entire reference section having said plurality of different reference colors, such that, when said test sub-section exhibits said reaction color in accordance with a fluid property value, said value is indicated by a matching one of said reference colors which lies against said test sub-section reaction color, so as to become substantially visually merged therewith, said device enabling fluid analysis of the test fluid by a self-contained, one-step procedure of immersion of the entire strip including both said test sub-section and said reference section, reaction during immersion and color reading of said reaction results upon retrieval from the test fluid, wherein reading of said indicated value in each test sub-section is performed by visually matching said test sub-section reaction color with said substantially visually merged one of said different reference colors due to self-alignment therebetween, such that said indicated value of each of the plurality of fluid properties can be simply read in a straight forward matching process with improved accuracy in simultaneous and immediate fashion, without requiring the physical alignment of said test sub-section reaction color with said reference colors, said indicated value of each of the plurality of multi-test fluid properties being provided in a recordable form, thereby enabling review of an entire set of said reaction results by summary inspection, wherein said plurality of multi-test fluid properties forms a group consisting essentially of pH, total alkalinity, total hardness, nitrate, and nitrite.
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33. An integrated, multi-test, immersable test strip-type fluid testing device for simultaneously determining the value of each of a plurality of properties of a fluid to be tested, the fluid testing device comprising:
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a test substrate; and a plurality of test sections, located on said test substrate, each of said test sections including; a test sub-section which exhibits a reaction color according to said value, as a result of reaction of a reagent with said fluid, said reagent being impregnated within said test sub-section prior to testing; and a reference section located adjacent to said test sub-section, said reference section including a plurality of different reference colors and being arranged such that each of said plurality of reference colors is situated adjacent to and in contact with said test sub-section, wherein said test sub-section substantially encompasses said entire reference section having said plurality of different reference colors, such that, when said test sub-section exhibits said reaction color in accordance with a fluid property value, said value is indicated by a matching one of said reference colors which lies against said test sub-section reaction color, so as to become substantially visually merged therewith, said device enabling fluid analysis of the test fluid by a self-contained, one-step procedure of immersion of the entire strip including both said test sub-section and said reference section, reaction during immersion and color reading of said reaction results upon retrieval from the test fluid, wherein reading of said indicated value in each test sub-section is performed by visually matching said test sub-section reaction color with said substantially visually merged one of said different reference colors due to self-alignment therebetween, such that said indicated value of each of the plurality of fluid properties can be simply read in a straight forward matching process with improved accuracy in simultaneous and immediate fashion, without requiring the physical alignment of said test sub-section reaction color with said reference colors, said indicated value of each of the plurality of multi-test fluid properties being provided in a recordable form, thereby enabling review of an entire set of said reaction results by summary inspection, wherein said plurality of multi-test fluid properties forms a group consisting essentially of pH, free chlorine and total alkalinity.
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34. An integrated, multi-test, immersable test strip-type fluid testing device for simultaneously determining the value of each of a plurality of properties of a fluid to be tested, the fluid testing device comprising:
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a test substrate; and a plurality of test sections, located on said test substrate, each of said test sections including; a test sub-section which exhibits a reaction color according to said value, as a result of reaction of a reagent with said fluid, said reagent being impregnated within said test sub-section prior to testing; and a reference section located adjacent to said test sub-section, said reference section including a plurality of different reference colors and being arranged such that each of said plurality of reference colors is situated adjacent to and in contact with said test sub-section, wherein said test sub-section substantially encompasses said entire reference section having said plurality of different reference colors, such that, when said test sub-section exhibits said reaction color in accordance with a fluid property value, said value is indicated by a matching one of said reference colors which lies against said test sub-section reaction color, so as to become substantially visually merged therewith, said device enabling fluid analysis of the test fluid by a self-contained, one-step procedure of immersion of the entire strip including both said test sub-section and said reference section, reaction during immersion and color reading of said reaction results upon retrieval from the test fluid, wherein reading of said indicated value in each test sub-section is performed by visually matching said test sub-section reaction color with said substantially visually merged one of said different reference colors due to self-alignment therebetween, such that said indicated value of each of the plurality of fluid properties can be simply read in a straight forward matching process with improved accuracy in simultaneous and immediate fashion, without requiring the physical alignment of said test sub-section reaction color with said reference colors, said indicated value of each of the plurality of multi-test fluid properties being provided in a recordable form, thereby enabling review of an entire set of said reaction results by summary inspection, wherein said plurality of multi-test fluid properties forms a group consisting essentially of pH, total hardness, free chlorine, total chlorine, total alkalinity, nitrate, nitrite and at least one of the subgroup of lead, zinc, iron and copper.
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35. An integrated, multi-test, immersable test strip-type fluid testing device for simultaneously determining the value of each of a plurality of properties of a fluid to be tested, the fluid testing device comprising:
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a test substrate; and a plurality of test sections, located on said test substrate, each of said test sections including; a test sub-section which exhibits a reaction color according to said value, as a result of reaction of a reagent with said fluid, said reagent being impregnated within said test sub-section prior to testing; and a reference section located adjacent to said test sub-section, said reference section including a plurality of different reference colors and being arranged such that each of said plurality of reference colors is situated adjacent to and in contact with said test sub-section, wherein said test sub-section substantially encompasses said entire reference section having said plurality of different reference colors, such that, when said test sub-section exhibits said reaction color in accordance with a fluid property value, said value is indicated by a matching one of said reference colors which lies against said test sub-section reaction color, so as to become substantially visually merged therewith, said device enabling fluid analysis of the test fluid by a self-contained, one-step procedure of immersion of the entire strip including both said test sub-section and said reference section, reaction during immersion and color reading of said reaction results upon retrieval from the test fluid, wherein reading of said indicated value in each test sub-section is performed by visually matching said test sub-section reaction color with said substantially visually merged one of said different reference colors due to self-alignment therebetween, such that said indicated value of each of the plurality of fluid properties can be simply read in a straight forward matching process with improved accuracy in simultaneous and immediate fashion, without requiring the physical alignment of said test sub-section reaction color with said reference colors, said indicated value of each of the plurality of multi-test fluid properties being provided in a recordable form, thereby enabling review of an entire set of said reaction results by summary inspection, wherein said plurality of multi-test fluid properties forms a group consisting essentially of free chlorine, total chlorine and at least one of the subgroup of lead, zinc, iron and copper.
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36. An integrated, multi-test, immersable test strip-type fluid testing device for simultaneously determining the value of each of a plurality of properties of a fluid to be tested, the fluid testing device comprising:
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a test substrate; and a plurality of test sections, located on said test substrate, each of said test sections including; a test sub-section which exhibits a reaction color according to said value, as a result of reaction of a reagent with said fluid, said reagent being impregnated within said test sub-section prior to testing; and a reference section located adjacent to said test sub-section, said reference section including a plurality of different reference colors and being arranged such that each of said plurality of reference colors is situated adjacent to and in contact with said test sub-section, wherein said test sub-section substantially encompasses said entire reference section having said plurality of different reference colors, such that, when said test sub-section exhibits said reaction color in accordance with a fluid property value, said value is indicated by a matching one of said reference colors which lies against said test sub-section reaction color, so as to become substantially visually merged therewith, said device enabling fluid analysis of the test fluid by a self-contained, one-step procedure of immersion of the entire strip including both said test sub-section and said reference section, reaction during immersion and color reading of said reaction results upon retrieval from the test fluid, wherein reading of said indicated value in each test sub-section is performed by visually matching said test sub-section reaction color with said substantially visually merged one of said different reference colors due to self-alignment therebetween, such that said indicated value of each of the plurality of fluid properties can be simply read in a straight forward matching process with improved accuracy in simultaneous and immediate fashion, without requiring the physical alignment of said test sub-section reaction color with said reference colors, said indicated value of each of the plurality of multi-test fluid properties being provided in a recordable form, thereby enabling review of an entire set of said reaction results by summary inspection, wherein said plurality of multi-test fluid properties forms a group consisting essentially of total alkalinity, nitrate, nitrite and at least one of the subgroup of lead, zinc, iron and copper.
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37. An integrated, multi-test, immersable test strip-type fluid testing device for simultaneously determining the value of each of a plurality of properties of a fluid to be tested, the fluid testing device comprising:
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a test substrate; and a plurality of test sections, located on said test substrate, each of said test sections including; a test sub-section which exhibits a reaction color according to said value, as a result of reaction of a reagent with said fluid, said reagent being impregnated within said test sub-section prior to testing; and a reference section located adjacent to said test sub-section, said reference section including a plurality of different reference colors and being arranged such that each of said plurality of reference colors is situated adjacent to and in contact with said test sub-section, wherein said test sub-section substantially encompasses said entire reference section having said plurality of different reference colors, such that, when said test sub-section exhibits said reaction color in accordance with a fluid property value, said value is indicated by a matching one of said reference colors which lies against said test sub-section reaction color, so as to become substantially visually merged therewith, said device enabling fluid analysis of the test fluid by a self-contained, one-step procedure of immersion of the entire strip including both said test sub-section and said reference section, reaction during immersion and color reading of said reaction results upon retrieval from the test fluid, wherein reading of said indicated value in each test sub-section is performed by visually matching said test sub-section reaction color with said substantially visually merged one of said different reference colors due to self-alignment therebetween, such that said indicated value of each of the plurality of fluid properties can be simply read in a straight forward matching process with improved accuracy in simultaneous and immediate fashion, without requiring the physical alignment of said test sub-section reaction color with said reference colors, said indicated value of each of the plurality of multi-test fluid properties being provided in a recordable form, thereby enabling review of an entire set of said reaction results by summary inspection, wherein said plurality of multi-test fluid properties forms a group consisting essentially of pH, total hardness, free chlorine, total chlorine, total alkalinity, and at least one of the subgroup of lead, zinc, iron and copper.
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38. An integrated, multi-test, immersable test strip-type fluid testing device for simultaneously determining the value of each of a plurality of properties of a fluid to be tested, the fluid testing device comprising:
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a test substrate; and a plurality of test sections, located on said test substrate, each of said test sections including; a test sub-section which exhibits a reaction color according to said value, as a result of reaction of a reagent with said fluid, said reagent being impregnated within said test sub-section prior to testing; and a reference section located adjacent to said test sub-section, said reference section including a plurality of different reference colors and being arranged such that each of said plurality of reference colors is situated adjacent to and in contact with said test sub-section, wherein said test sub-section substantially encompasses said entire reference section having said plurality of different reference colors, such that, when said test sub-section exhibits said reaction color in accordance with a fluid property value, said value is indicated by a matching one of said reference colors which lies against said test sub-section reaction color, so as to become substantially visually merged therewith, said device enabling fluid analysis of the test fluid by a self-contained, one-step procedure of immersion of the entire strip including both said test sub-section and said reference section, reaction during immersion and color reading of said reaction results upon retrieval from the test fluid, wherein reading of said indicated value in each test sub-section is performed by visually matching said test sub-section reaction color with said substantially visually merged one of said different reference colors due to self-alignment therebetween, such that said indicated value of each of the plurality of fluid properties can be simply read in a straight forward matching process with improved accuracy in simultaneous and immediate fashion, without requiring the physical alignment of said test sub-section reaction color with said reference colors, said indicated value of each of the plurality of multi-test fluid properties being provided in a recordable form, thereby enabling review of an entire set of said reaction results by summary inspection, wherein said plurality of multi-test fluid properties forms a group consisting essentially of pH, total hardness, total alkalinity and at least one of the subgroup of free chlorine and total chlorine.
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Specification