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Concrete Flooring FAQ
Rapid RH L6 and 4.0 Compatibility
Total Reader (for L6 Sensors)
- How does the response time of the Rapid RH® 5.0 Smart Sensors compare to the Rapid RH® L6 Smart Sensors?
- What does equilibration mean when talking about moisture testing?
- What is Touch-n-Sense™ Technology (for L6)?
- Once activated, how long will the display on the Rapid RH® Total Reader stay on?
- My Rapid RH® Total Reader came with plastic protective end caps. Do I need to keep them?
- How does the Rapid RH® Bluetooth® Total Reader give me ambient temperature & relative humidity readings?
- Does my Rapid RH® Total Reader need to be calibrated periodically?
DataMaster™
Easy Reader (for 4.0 EX and 5.0 Sensors)
- Can I replace the Rapid RH® Easy Reader battery?
- Does Wagner sell a Rapid RH® Easy Reader that displays degrees Celsius?
- Does my Rapid RH® Easy Reader or Smart Reader need to be calibrated periodically?
- I'm getting a “HI” reading on my Rapid RH® Easy Reader. What does it mean?
- My Rapid RH® Easy Reader came with plastic protective end caps. Do I need to keep them?
- Once activated, how long will the display on the Rapid RH® Easy Reader stay on?
- What is Touch-n-Sense™ Technology?
- When I use my Rapid RH® Easy Reader, all I see are 2 lines in the display. What should I do?
- Why do I see “ER” (Error) on the Rapid RH® Easy Reader display?
Rapid RH® 5.0
Rapid RH® Accessory Products
- Do you offer any training courses?
- Does Wagner offer a certification for testing RH in concrete slabs?
- How does one assess the pH in a concrete slab?
- How does one use the Rapid RH® Digital pH Meter?
- How to determine the surface temperature of the concrete?
- Is there a way to get an estimate of the concrete moisture before the building comes to service conditions?
- Is there equipment that can easily measure the ambient temperature conditions above a concrete slab?
Relative Humidity (RH)
- How do I measure the relative humidity in gypsum lightweight concrete?
- How should I record my RH readings?
- Is there a way to estimate what the RH will be before service conditions are reached?
- Is there any way to speed up drying time?
- What can be done when the relative humidity (RH) reading is still at 99%?
- There's a vinyl covering on the concrete. How do you measure the relative humidity?
- What are acceptable levels of relative humidity?
- What does equilibration mean when talking about moisture testing?
- What does the Rapid RH® do?
- What is relative humidity (RH) in concrete?
- Who is qualified to measure relative humidity using the Rapid RH® system?
- What is the connection between RH and MVER?
- Do flooring industry manufacturers specify the RH test method?
- How often do you guys see projects resulting in 85% or less RH? Are there any common denominators that you see on jobs with 85% or less RH?
- Can the pH of the concrete tell you more about MVER's than any moisture test?
Resources and Other Common Concrete Moisture Questions
- 20% Drill Depth Measurements Chart
- 40% Drill Depth Measurements Chart
- Can I use a moisture meter to determine if my concrete slab is ready for floor covering?
- Can I use the Rapid RH® System even if the HVAC isn’t on?
- How can I learn more about concrete drying and measuring moisture in concrete?
- Is there a correlation between relative humidity percentage and Moisture Vapor Emission Rate (MVER) measured with calcium chloride testing?
- Is there a spec available that I can put in my job’s plans?
- Webinar Videos: Rapid RH® Testing for Concrete Floors
- What depth do I measure at when new concrete has been poured on an old slab?
- What do I need to know about the ASTM F2170 Standard?
- Will a concrete sub-floor affect my wood flooring moisture readings on a Wagner hand-held moisture meter? The previously installed flooring measures 5/8” thick.
- What type of documentation do you recommend for flooring contractors to maintain as proof of proper moisture testing?
- Does my HVAC need to be on for RH testing to be accurate? Do I need to document these ambient conditions and why?
- How can I get the concrete to dry faster?
- Can Smart Sensors be recovered and reused?
- Does the application of a moisture remediation product resolve, alleviate, or mitigate the effects of RH in concrete slabs that are in excess of recommended maximums?
- I just tore up a floor that had no issues and was adhered to the concrete fine. Now I am getting ready to install a new floor and the concrete is testing high RH%. How is this possible?
- Is it okay to use a can of air to clean the hole after it is drilled?
- How do I get concrete to cure faster?
Smart Reader (for 4.0 EX and 5.0 Sensors)
Smart Sensors
- Why Does NIST-Traceable Calibration Matter?
- How can I be sure the Smart Sensors have not been compromised?
- How important is sensor calibration?
- How many relative humidity tests should I use on each job?
- How many sensors should I use?
- I don't know the slab depth. What should I do?
- My orange cap is missing. Do I need to have the cap on to ensure equilibration?
- If water gets spilled into a Rapid RH® Smart Sensor, is it ruined?
- Testing at the correct depth: 40% versus 20%
- Why do some Rapid RH® Smart Sensors fit very tightly in the drilled holes?