HC-7S concrete mix air entrainment meter For determing the air content of freshly mixed concrete mixturesStandard:GBJ80,JTJ053,GB/T50080,ASTM C231.
Technical parameters:
1,Bowl capacity (ID equals to the height) : 7L
2,Air content range : 0-10%(directt reading)
3,Max. size of aggregate : 40mm
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