{"product_id":"cor-map-basic-half-cell-system","title":"Cor-Map® System Basic Half-Cell System for Detecting Areas of Probable Rebar Corrosion","description":"\u003ch2\u003e\u003cspan\u003eBasic Half-Cell System for Detecting Areas of Probable Rebar Corrosion\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eJames Cor-Map® System\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a simple, reliable, and cost-effective half-cell potential testing system designed to identify areas of probable reinforcing steel (rebar) corrosion in concrete structures. Compliant with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eASTM C876\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the Cor-Map® enables engineers, consultants, and asset owners to quickly assess corrosion activity and prioritise maintenance before significant structural damage occurs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003ePurchasing Notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cspan\u003eFor comprehensive corrosion analysis, use in conjunction with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eJames R-C-400 Rebarscope®\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eConsumable required: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eC-CM-4210 Copper Sulphate Solution\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Cor-Map® System is ideal for evaluating corrosion activity in reinforced concrete structures, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eBridge decks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eParking structures\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConcrete piers and marine structures\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBuilding substructures\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTunnel linings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFoundations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCivil infrastructure inspections\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eFeatures \u0026amp; Benefits\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cspan\u003eComplies with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eASTM C876\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e half-cell potential testing\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSimple and economical corrosion assessment method\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-impedance digital voltmeter for accurate field measurements\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDurable construction for demanding site conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDetachable electrode extension pieces for difficult-to-access locations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReference electrode suitable for horizontal, vertical and overhead testing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFast identification of probable corrosion areas\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePortable and easy to operate\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe James Cor-Map® System measures the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ehalf-cell potential\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e between embedded reinforcing steel and a copper\/copper sulphate reference electrode placed on the concrete surface. These measurements indicate the probability of active corrosion occurring within the reinforcing steel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBy taking measurements at regular intervals across a concrete surface, users can quickly create a grid of half-cell potentials. The resulting data can then be plotted to produce contour maps that highlight areas with an increased likelihood of corrosion activity, allowing targeted inspection, repair and rehabilitation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Cor-Map® System offers a practical, non-destructive solution for evaluating the condition of reinforced concrete infrastructure and planning preventative maintenance programs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eHow Half-Cell Potential Testing Works\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSteel reinforcement corrodes when moisture and oxygen penetrate the concrete and initiate an electrochemical reaction. The Cor-Map® System measures the electrical potential difference between the reinforcing steel and a stable copper\/copper sulphate reference electrode.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe measured voltage does not indicate the amount of corrosion present, but instead provides the probability that active corrosion is occurring near the measurement location.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTesting is performed over a predetermined grid, allowing engineers to generate corrosion potential maps that identify areas requiring further investigation or repair.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eInterpreting ASTM C876 Results\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUsing a Copper\/Copper Sulphate (Cu\/CuSO₄) reference electrode:\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eHalf-Cell Potential\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eProbability of Active Corrosion\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eGreater than 350 mV\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 95% probability\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e200–350 mV\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 50% probability\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLess than 200 mV\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 5% probability\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Cor-Map® System is particularly well suited for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eBridge deck inspections\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eParking garages\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConcrete wharves and docks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMarine structures\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBuilding foundations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTunnel linings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAsset condition assessments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConcrete rehabilitation projects\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eSystem Components\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDescription\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eC-CM-4500\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-impedance digital voltmeter\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eC-CM-4410\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eElectrode extension pieces (18 in \/ 41 cm each)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eC-CM-4400\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCopper\/copper sulphate reference electrode with reservoir\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eC-CM-4210\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCopper sulphate container (250 ml)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eC-CM-4220\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eWetting agent reservoir (125 ml)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eC-CM-4420\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDispensing sponge\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eC-CM-4300\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCable reel with 250 ft (80 m) cable\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eC-CM-4000\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eComplete Cor-Map® System\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eStandards\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eASTM C876 – Standard Test Method for Corrosion Potentials of Uncoated Reinforcing Steel in Concrete\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e","brand":"NDT James Instruments","offers":[{"title":"Default Title","offer_id":45294150549686,"sku":null,"price":0.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3394\/5270\/files\/hylec-controls-cor-map-I-basic-ndt-james.jpg?v=1785199848","url":"https:\/\/hyleccontrols.com.au\/products\/cor-map-basic-half-cell-system","provider":"Hylec Controls","version":"1.0","type":"link"}