ASTM F2170-11 PDF

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: We offer cost efficient, simple solutions to measure moisture.

Without studying pages and pages of operation manuals: UPS peak season qstm cause delays. While any professional must understand the exact requirements of standard F the most recent versionthe following are 10 guidelines to help ensure that you have met the criteria laid out in ASTM F At this point, if one test fails, they all fail.

As concrete dries, moisture migrates from the bottom of the slab to the surface where it can evaporate away. Learn how your comment data is processed. In situ moisture measurement systems are evolving rapidly as a result of ATSM F and reflect the industry realities of the concrete installation business.

In that case, builders did not allow the slab sufficient time for concrete moisture levels to equilibrate reach equilibrium asrm content according to relative humidity RH.

Map your sensor count and location. To check the calibration we offer calibration check salts.

10 Guidelines for ASTM F2170 Preparation and Testing

Is this acceptable or compromise the test? I would verify that zstm hole depths are consistent and that environmental conditions are at service conditions. Instrument turns itself off automatically. Some calibration restrictions may apply, so read the standard carefully to be sure your test equipment qualifies for the most recent standard. If i have an area of f270-11 sq ft and have done the required testing for the area, and 5 fail and 3 pass does the whole area fail?


Concrete absorbs water vapor from the air under high ambient humidity; concrete releases more water aastm when the humidity of the surrounding air is low. That being said, there are many people that have used F testing methodology for testing roof decks with this understanding. You consent to our cookies if you continue to use our website. Each test hole must be drilled to the depth determined at Step 5 above section 10 of ASTM F and properly prepared.

Know the required depth of the test holes. Lignomat has designed the RH F170-11 Probe, sleeves, cable and RH concrete moisture meter for a simple and fail-proof measuring procedure. Does the finish roof product have specifications for testing the concrete deck?

September 6, at Make sure your calibration is up to date. We recommend placing the serial number decal which also helps track certification of each sensor on the corresponding test hole on the mapped report. This site uses Akismet to reduce spam. We have people who use the Rapid RH on shallow pours. Relative humidity RH in a concrete slab can fluctuate with environmental changes. If longer sleeves c2170-11 desired we f270-11 offer 3.

ASTM F Explained – ASTM F Information

It can be used for: F2170-11 My Account 0 items Surface-based test results will fluctuate, even more, under these changes in environmental conditions.

In-situ probe concrete testing: 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. F requires three test holes for the first ft 2 and, at least, one additional hole for each additional ft 2.


This process requires time and quantifiable concrete moisture measurements to verify. Your email address will not be published. How do you handle this problem? At any time you can change from pin mode to scan mode by depressing up or down button.

September 2, at 9: Concrete slab moisture problems can cause floor covering delamination, peeling, f1270-11, staining and sweating.

Ligno-Tec RH Concrete Test Conforms to ASTM F

June 9, at 1: Preparation Confirm your test method equipment meets specifications. The Ligno-Tec RH was designed for reliability and accuracy as well as asstm and ease of operation. January 9, at 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.

All sensors must be calibrated no less than 30 days prior to use. These requirements for the standard apply regardless of the RH test method being used.

Ligno-Tec RH Concrete Moisture Meter

Be sure to familiarize yourself with ASTM F and choose the best concrete moisture test v2170-11 for the job.

These first five steps are all preparatory and should be done before any sensors or RH probes are installed. Use our checklist to record and report the RH readings. For flooring and concrete professionals, ASTM F provides the standard for using relative humidity RH testing when measuring moisture content in concrete slabs.

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.