Roller Meter Concrete Air Test

Determine air content specific gravity and free moisture test of aggregates.

Roller meter concrete air test.

Readings of percent of air are directly obtained from the liquid level on the scale. This method of testing can be used on any type of concrete lightweight regular weight or heavy weight. In the meter you have a known volume of air at a known pressure in a sealed air pot with an unknown volume of air being contained inside the sample of wet concrete. This aluminum roll a meter is used to determine the air content of concrete mixes containing lightweight aggregate.

If portions of undisturbed concrete are found the test is invalid. Set the roller meter upright and loosen the top to let the air pressure inside stabilize. Lightweight roller meter determines entrained air content of fresh mix concrete fly ash and other lightweight aggregates. H 2796a roll a meter air indicator.

Lightweight concrete roll a meter is a lightweight version of the popular roller meter. Constructed from cast aluminum with window graduated from 0 to 10 in 0 25 subgraduations. Click the link below to watch a newer version of this video. Go to the online aci course.

It s good for sieve aggregate. Used for the rolling method of measuring entrained. Constructed of light weight aluminum. This test s purpose is to get the air content of a sample of concrete using a pressure meter.

Lightweight roll a meter is a volumetric air meter for testing concrete mixes. Let the meter sit while the air rises to the top and the liquid level stabilizes. H 2795p volumetair air meter. It has quizzes and two practice tests to prepare you for the test.

Dual clamping system with o ring seal for upper and lower chambers. It is a simple and accurate device for measuring the air content of concrete mixes. Press ur meter concrete air meter. Astm c173 concrete air meter test volumetric method.

Disassemble the meter empty the base and examine the contents to be sure that there are no portions of undisturbed tightly packed concrete in the base. Volumetric method aci technician workbo.