Do you have a minute? Well, we're giving you 48 hours! That's right. ASTM International has published a change in the F2170
standard for in situ relative humidity testing that decreases the test period from 72 hours to 24 hours. That's a savings of
48 hours that we think will give you cause to celebrate! Learn More Rapid RH® 4.0 EXRapid RH® 5.0
Talk to a concrete moisture testing expert, call us worldwide toll-free: 1-800-634-9961
For successful flooring projects, it is crucial to measure moisture below the surface of the concrete slab. Other tests
are surface-based and do not give reliable results. For example, the anhydrous calcium chloride test measures only
the moisture vapor emission rate coming from the slab’s surface. It tells you nothing about the moisture condition
deeper in the slab. Only the in situ relative humidity (RH) test is scientifically proven for accuracy and reliability. Learn More
3 Easy Steps to Successful RH Testing
Learn even more to ensure fast, accurate moisture test results that you and your clients can rely on.
It's easy! Here are the 3 steps you can take right away
to learn how to do RH testing.
Check out our comprehensive online resource library, chock-full of useful videos, articles, and mobile apps.
Buy What You Need Online at the Rapid RH® Store!
The Rapid RH® store has everything you need for fast, accurate RH testing. You can easily and
conveniently order online or give us a call toll-free at 1-800-634-9961. We’re here to help Monday to
Friday, 7:30 am to 4:00 pm Pacific Time. Buy NowFind a Local Distributor
“The process behind the Rapid RH® is solid. We went to Rapid RH® because the accuracy is certified and it doesn’t
need to acclimate past its initial point. We could stick [the sensor] in there, read it and trust it.”
– J.D. Grafton, CC Solutions