Electrical resistivity of concrete surfaces correlates directly to permeability, the likelihood and rate of reinforcing steel corrosion, as well as chloride diffusion rate. The Resipod Meter by Proceq, available in two models, features a Wenner four-probe array fully integrated into an electronic meter with digital display, ready to use for laboratory or field resistivity applications. This simple new test method is based on resistivity readings from standard concrete test cylinders and is a fast, accurate, and economical alternative to ASTM C1202 Rapid Chloride Permeability testing. The same cylinder can be used for compressive strength testing, and structural elements in the field can also be checked with the same meter for comparative values. Specific mix designs can be evaluated in the lab, and areas within an existing structure can be quickly mapped for their susceptibility to chloride induced corrosion of reinforcing steel.