This instrument permits the measurement of spontanes electric potentials in structures in reinforced concrete so that areas in which the steel is prone to corrosion can be identified. The contained dimensions and battery operation enable the instrument to be used on site. The complete system comprises :
-electronic voltmeter with
-adaptor plate
-two 15 ' electrode extensions
-surfactant reservoir with electrode
-test wire
-copper sulphate
-anti-freeze
-concertrated surfactant solutions
-carrying case