INTEGRA Metering AMFLO SONIC Smart Instructions De Montage Et Mode D'emploi page 34

8.5 Measuring accuracy
Measuring accuracy
Reference conditions
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EN1434 Class 2 (typically ±1 % at ≥ 0.5 m/s and ±0.005 m/s
Liquid temperature
Static liquid pressure
Ambient temperature
Preheating time of the device
Liquid
below 0.5 m/s)
20 °C
>3 bar
23 °C
15 min
Water