The C555 is useful in assessing the dryness in the top ½ inch of smooth concrete slabs. When paired with the Rapid RH testing system by Wagner, the C555 is an excellent support to provide extra data and save time. In this case, the C555 should be used whenever you want to begin assessing a slab of concrete. This way, you can properly determine where to place your RH sensors. We truly believe that the C555 can best suit your needs when bundled with the Rapid RH system. Here are some other times when you should use a C555:

• Use the C555 to find wet spots or potential problem areas in concrete.
• Use a C555 after a moisture-related incident.
  • If a leak, high humidity levels, or recent flooding have you questioning whether that old slab is saturated at or near the surface, the C555 will tell you pretty quickly. Simply measure a section of concrete that wasn’t affected by the situation, then measure sections of the concrete slab, moving closer and closer to the suspect area to get a better map of the scope and intensity of the moisture intrusion into the concrete slab.
• Use a C555 to qualitatively measure the moisture situation of other materials:
  • Brick
  • Cement
  • Gypsum
• Use a C555 to monitor ambient temperature and relative humidity.

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