PREN 12350-7 : DRAFT 2017

European foreword
1 Scope
2 Normative references
3 Principles
4 Water column method
5 Pressure gauge method
6 Calculation and expression of results
7 Test report
8 Precision
Annex A (normative) - Aggregate correction
        factor - water column method
Annex B (normative) - Aggregate correction
        factor - pressure gauge method
Annex C (normative) - Calibration of
        apparatus - water column method
Annex D (normative) - Calibration of
        apparatus - pressure gauge method

Specifies two methods for determination of air content of compacted fresh concrete, made with normal weight or relatively dense aggregate and having a declared value of D of the coarsest fraction of aggregates actually used in the concrete (D[max]) not greater than 63 mm.