Concrete Moisture Meter: What is the C555
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Last updated on June 5th, 2026
The C555 Concrete Moisture Meter from Wagner Meters gives you a speedy indication of high and low moisture zones, assisting you optimal targeting of areas to place Rapid RH® sensors and get the best readings from your in situ RH testing. The C555 is fully compliant with ASTM F2659 to function as a “…non destructive electronic concrete moisture meter” as a means for “…preliminary evaluation of the comparative moisture condition of concrete, gypsum cement, and other floor slabs and screeds…”
Last updated on June 5th, 2026