BBR [India] Pvt. Ltd. Offers Corrosion Analyzing Instrument with Four-Point Wenner Probe. BBR [India] Pvt. Ltd. Is an ISO 9001 - 2000 certified company. The Corrosion Analyzing Instrument with Four-Point Wenner Probe under the trade name CANIN+ offers two methods for investigating and assessing the corrosion of steel in concrete. The instrument can measure the corrosion potential and secondly, it can measure the resistivity of the concrete. The device can perform both tasks. Corrosion of steel in concrete is an electrochemical process. A potential field can be measured on the concrete surface by the user of an electrode, known as a half-cell, and a high-impedance voltmeter. The Corrosion Analyzing Instrument with Four-Point Wenner Probe is ideally suited for assessment of corrosion potentials on large areas of 8,000 m2[83,000 sq. Ft] or multiple thereof, depending on the individual selectable grid size. 235,000 values can be stored by the intelligent memory. Up to 240 measurement values are displayed at a time in easy to read grey-scale and a menu-driven approach facilitates simple operation using just nine keys. The concrete resistivity is measured by the four-point Wenner probe. A low concrete resistivity indicates a greater chance of corrosion of the reinforcement and also a greater corrosion rate.
The instrument can also store up to 5,800 resistivity values.