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CorroMap - Half Cell Potential, Corrosion Rate and Resistance Mapping

As the direct successor to the Galvapulse the CorroMap provides easy to use half-cell potential and galvanostatic pulse corrosion rate measurement with many user-friendly features.

The CorroMap is a rapid, non-destructive technique for the evaluation of reinforcement half-cell potentials and corrosion rates. It maps the contour plots of half cell potential and resistance in colour on the screen and for transfer to PC.

The CorroMap is a lightweight system with rechargeable batteries for optimum portability and is designed to be operated by one man. It offers reliable evaluation of reinforcement corrosion also in wet, carbonated or inhibitor treated concrete so that the Half-cell potential and electrical resistance to the cover layer are given.

The system will also take galvanostatic pulse measurements which are an indication of the rate of corrosion of the reinforcing steel.

KIT

The equipment comes with a Lightweight electrode and a hand held computer pre-installed with easy to operate software. A durable steel ring for applying the current field to the reinforcement allows for measurements possible on uneven and curved surfaces with a replaceable sponge.

The system also includes a variety of connections and cables to make obtaining reinforcement contact as simple as possible.

APPLICATIONS

The CorroMap is typically used in connection with:

·         Swimming pools

·         Bridges

·         Balconies

·         Parking houses

·         Concrete structures in a marine environment

FEATURES

·         New handheld Psion work about PC with Windows CE 5.0 and colour Touch Screen.

·         Protected against dust, rain and snow (IP65).

·         Up to 2400 automated measurements, one-man operated with “auto trigger” and “auto increment” options.

·         Can measure related values of electrochemical potential and resistance.

·         System can be purchased with or without corrosion rate measurement

BENEFITS

·         On site graphic display – in colour.

·         Each colour represents a measurement interval for potential and resistance.

·         Zoom function of detail area with display of measurement values.

·         Measurement results in Excel-format are easily transferred to PC for further processing and presentation.

Contour plot from half-potential measurements carried out on a concrete deck in swimming pool.

ADVANTAGES

·         Estimation of the corrosion rate in the reinforcement can be made in less than 10 seconds.

·         Reliable evaluation of reinforcement corrosion also in wet, carbonated or inhibitor treated concrete.

·         Half-cell potential and electrical resistance of the cover layer are given.

·         Lightweight electrode / hand held computer and easy to operate software.

·         Durable Guard Ring system for focusing the cur-rent field to the reinforcement.

·         Measurements possible on uneven and curved surfaces.