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ASTM C-231 AASHTO T-152 For determining the air content of freshly mixed concrete from observation of the change in volume of concrete with a change in pressure. CO-401 Air Entrainment Meter 5 ltr capacity, 3″ maximum agregate size, direct reading 0-10% , manometer, hand pump 1 Pc.
Dimension ( l x w x h) : 40 x 40 x 100 cm Gross Weight : 20 kg
Hp :081212209178