Measurement Setup for the Development of Pre-Corroded Sensors for Metal Artwork Monitoring

The monitoring of environmental corrosivity towards cultural heritage is key task for both active and preventive conservation. In case of metallic artworks, this task can be performed by means of coupons or sensors realized with the same materials of the artworks to be conserved. In this work, a measurement system for the development and testing of sensor for atmospheric corrosivity monitoring is presented. The metrological features of the measurement system are analyzed aimed to the optimal analysis of a developed corrosion sensor. A sensor is also proposed. It permits to consider also the effect of the presence of corrosion layers on the object to be preserved, in order to achieve a better evaluation of its actual corrosion rate as a function of environmental conditions.