Air Entrainment Meters
0.5 litre; model: TESTING 1.0334 0,75 litre; model: TESTING 1.0337
1 litre; model: TESTING 1.0335 5 litre; model: TESTING 2.0332
7 litre; model: TESTING 2.0337 8 litre; model: TESTING 2.0334
Page 14 of 42 pages
2. The test procedure
Caution
Before filling the material to be tested into the test pot, make sure that
all the inner surfaces of the test pot and the cover of this pot have been
cleaned of oils, grease, fats, dust, and residue from earlier testing. Then
slightly moisten the inner surfaces of the test pot with a moistened cloth
or sponge. Only then may the new material to be tested be placed in the
test pot.
1. Take off the upper part by unfastening the quick-release latches. Set in place the
attachment ring for filling the meter (this is an optional piece of equipment: you may
not have received this part). Then use the quick-release latches to connect the test
pot and the attachment ring.
2. Fill the test pot with fresh mortar or fresh concrete in one or several layers, depending
on their consistency and the stipulations of the relevant standard. Compact the mortar
or concrete according to the relevant instructions of the standard by using a tamping
rod, other rod, or internal vibrator, or by placing the air entrainment meter on a
vibrating table. Perform the compacting in accordance with the instructions given in
EN
123507
(
Luftgehaltsdruckausgleichsverfahren
=
air-content
pressure-
compensation method), or as specified by other standards or specifications. The
mortar or concrete must be completely compacted. If mechanical vibration is used,
complete compaction is achieved when large air bubbles no longer appear on the
surface, when the surface is relatively smooth, and when it appears level. If an
attachment ring is not used, the amount of material filled into the test pot must be such
that it can be cleanly struck off with a straightedge.
3. After compaction, take off the attachment ring (if you have used one) and use a
straightedge to strike off the concrete or mortar level with the upper edge of the test
pot. Then use the smoothing trowel to smooth off the top surface.
4. Use a moist cloth or sponge to wipe clean the outer edges of the test pot, the flange,
and the connection elements.
5. Moisten the inside of the upper part and set it down into place. For the 5-litre,7-litre
and 8-litre air entrainment meters, turn the upper part until its red markings are in line
with the markings on the test pot.
6. Lock downward the two quick-release latches, mounted opposite each other, to form
an airtight seal between the upper part and the test pot.
Important: correct positioning of the quick-release latches
