MN15 Reference Electrode

MN15 Reference Electrode

A reference electrode developed by CPT for measuring the steel potential in reinforced concrete and steel framed structures.

A common method of assessing the corrosion state of reinforcing steel is to measure the steel potential using a reference electrode.

CPT manufacture a reference electrode, MN15, which is buried in a small hole formed in the concrete surface. This can then be used to measure the steel potential either manually, using a high impedance voltmeter, using a datalogger or remotely using a cellular phone link.

The MN15 reference electrode offers significant advantages versus conventional electrodes as it is based on a manganese oxide composition:

  • High surface area prevents loss of contact with host concrete Chloride free – no release of aggressive salts Excellent polarisation characteristics – stable potential when current is drawn Compact unit facilitates simple installation

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MN15 Reference Electrode
MN15 Reference Electrode
MN15 Reference Electrode installation
MN15 Reference Electrode installation


MN15 Reference Electrode Datasheet

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