This test s purpose is to get the air content of a sample of concrete using a pressure meter.
Roller meter concrete air test.
It is a simple and accurate device for measuring the air content of concrete mixes.
Click the link below to watch a newer version of this video.
Constructed from cast aluminum with window graduated from 0 to 10 in 0 25 subgraduations.
It has quizzes and two practice tests to prepare you for the test.
It s good for sieve aggregate.
This method of testing can be used on any type of concrete lightweight regular weight or heavy weight.
Used for the rolling method of measuring entrained.
Determine air content specific gravity and free moisture test of aggregates.
Press ur meter concrete air meter.
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.
Lightweight roll a meter is a volumetric air meter for testing concrete mixes.
Constructed of light weight aluminum.
H 2795p volumetair air meter.
Lightweight concrete roll a meter is a lightweight version of the popular roller meter.
If portions of undisturbed concrete are found the test is invalid.
H 2796a roll a meter air indicator.
Set the roller meter upright and loosen the top to let the air pressure inside stabilize.
Go to the online aci course.
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.
Astm c173 concrete air meter test volumetric method.
Volumetric method aci technician workbo.
Lightweight roller meter determines entrained air content of fresh mix concrete fly ash and other lightweight aggregates.
The liquid level is considered stable when it doesn t change more than 0 25 air within a 2 minute period.
Let the meter sit while the air rises to the top and the liquid level stabilizes.
It is required for use with lightweight aggregate concrete but can reliably be used with any mix.
Dual clamping system with o ring seal for upper and lower chambers.
