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Testing & Measuring Equipment

  1. Rebar Corrosion Meter

    Caltech Engineering Services offer rebar corrosion meter. Rebar corrosion meter kit is complete economical kit for identifying concrete rebar corrosion as per ASTM C876 or rebar corrosion detection. A STM C876 standard describes procedure for half cell potential of reinforced concrete structure.Accurate measurement of the rebar corrosion rate is necessary for estimating the remaining service life of concrete structures, scheduling repair or maintenance operation using half cell potential test procedure. This is the best corrosion measurement technique for rebar corrosion using half cell potential.Rebar Corrosion Tester detector kit includes half cell and voltmeter integrated with a high impedance and long earth cable and despensing damp sponge. When rebar corrosion voltmeter DV-05 is connected between the reinforcing steel, Cu-CuSO4 reference half cell electrode (Fontana-201F) and specially made highly electrical conductive dispensing sponge on the concrete surface where a measurement can be made for the half-cell potential or half cell corrosion mapping. This test method applies to members regardless of their size or the depth of concrete cover over the reinforcing steel. Concrete cover in excess of 3 in. (75 mm) can result in an averaging of adjacent reinforcement corrosion potentials that can result in a loss of the ability to discriminate variation in relative corrosion activity. This gives measurement of the probability of corrosion activity. By testing at a fixed distance apart, a grid of half-cell potentials can be developed and areas delineated. This test method covers the estimation of the electrical half-cell potential of uncoated reinforcing steel in field and laboratory concrete, for the purpose of determining the corrosion activity of the reinforcing steel.Rebar Corrosion Tester complete kit contents following:Easy to use Detachable electrode extension pieces facilitate measurements in hard to reach locations - Optional High impedance digital meter is designed for tough field conditions Electrode is designed for use on horizontal, vertical and inverted positions Economical Conforms to ASTM C-876 Corrosion, which is an electrochemical process, occurs in concrete when oxygen and moisture are present. The actual corrosion is an exchange of energy within different sections of the uncoated reinforcing steel. The relative energy levels can be determined in relation to a reference electrode with a stable electrochemical potential.
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