WaterMaster optimized full-bore meter (FEV) / full-bore meters (FEF, FEW) flow performance – m
3
/h
Standard Calibration – 0.4 % Class 2 High Accuracy Calibration – 0.2 % Class 1
DN Q
Q
Note: OIML R49–1 allow Class 1 only for meters with Q3 ³ 100 m
3
/h. Meters outside this range have been tested and conform to
Class 1.
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