ASTM F formally recognizes the use of in situ probes as a means of conducting relative humidity testing. In fact, ASTM F represents a fundamental. Last previous edition approved in as. F DOI: / F/FA. 2 For referenced ASTM standards, visit the ASTM . ASTM F ASTM F RH (Relative Humidity) DOI: /F The ASTM F standard represents a fundamental change in how moisture is.

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General contractors must bear in mind two interactive processes when they are looking at construction schedules: Surface-based test f210-11 will fluctuate, even more, under these changes in environmental conditions.

In situ moisture measurement systems are evolving rapidly as a result of ATSM F and reflect the industry realities of the concrete installation business. When concrete is mixed and poured, water vapor migrates from the bottom f2170-1 the slab to the surface to evaporate.

Ligno-Tec RH Concrete Test Conforms to ASTM F

Section 9 of the standard requires that both the slab and the ambient air above axtm must be at service conditions for a minimum of 48 hours before testing. No pin alignment of the cable needs to be fitted. All sensors atm be calibrated no less than 30 days prior to use. This will NOT be valid for ASTM compliance, but can certainly provide a target timeline for schedule decisions or for choosing alternate adhesive or flooring options that might have higher moisture tolerances. This website uses cookies.


F requires three test holes for the first ft 2 and, at least, one additional hole for each additional ft 2.

10 Guidelines for ASTM F2170 Preparation and Testing

Each test hole must be drilled to the depth determined at Step 5 above section 10 of ASTM F and properly prepared. Can you please let me know your recommendation on this? Once you find out the methodology they require to meet warranty, I would reach out to someone within RCI in your area to conduct the tests.

Lignomat has designed the RH BluePeg Probe, sleeves, cable and RH concrete moisture meter for a simple and fail-proof measuring procedure. In-situ probes deepen concrete moisture measurement. Thanks for the reply, Patrick.

April 7, at 3: If you forward to 1: Concrete slab moisture problems can cause floor covering delamination, peeling, blistering, staining and sweating. Make sure your calibration is up to date. All cables have easy-to-connect and fail-proof 35mm stereo connectors. At any time you can change from pin mode to scan mode by depressing up or down button.

Depress SET Button to check settings. September 2, at 9: If longer sleeves are desired we also offer 3. Meeting this standard provides the groundwork for limiting moisture-related flooring problems and the many liabilities and mitigation problems that can result from excess moisture. At this point, if one test fails, they all fail. Concrete absorbs water vapor from the air under high ambient humidity; concrete releases more water vapor when the humidity of the surrounding air is low.


After the initial reading, readings can be updated at any time desired with two conditions in mind: In this way, in situ measurement provides a composite picture of overall slab moisture levels, and provides the data necessary to make business decisions regarding flooring installations.

Ligno-Tec RH Concrete Moisture Meter

As any professional knows, ASTM standards are established to help guide industry testing and also to help ensure standardized best practices to protect both the installer and the consumer. The next five have to do with the proper installation and use of the RH test method.

How do you handle this problem? In-situ concrete moisture testing places sensors, or probes, inside the slab itself. If i have an area of approx sq ft and have done the required testing for the area, and 5 fail and 3 pass does the whole area fail? Thanks for the question.

asrm Skip to content Concrete slab moisture is a major cause of concrete flooring failure. Operation is that easy! The RH BluePeg probe drops easily into the sleeve.