Proline Promass 83E/F/O Operation Manual - FMC Technologies

Proline Promass 83Technical dataFlow values (example)Turn down Flow Maximum measured error[kg/h] [lb/min] [% o.r.]250 : 1 72 2.646 2.50100 : 1 180 6.615 1.0025 : 1 720 26.46 0.2510 : 1 1800 66.15 0.252 : 1 9000 330.75 0.25Design fundamentals ä 112RepeatabilityDesign fundamentals ä 112• Mass flow and volume flow (liquids): ±0.10% o.r.• Mass flow (gases): ±0.35% o.r.• Density (liquids): ±0.00025 g/cm 3• Temperature: ±0.25 °C ± 0.0025 · T °C; ±0.5 °F ± 0.0015 · (T - 32) °FInfluence of medium temperatureWhen there is a difference between the temperature for zero point adjustment and the processtemperature, the typical measured error of the sensor is ±0.0002% of the full scale value / °C(±0.0001% of the full scale value/°F).Influence of medium pressureThe table below shows the effect on accuracy of mass flow due to a difference between calibrationpressure and process pressure.DN[mm] [inch] [% o.r./bar]8 3/8 no influence15 ½ no influence25 1 no influence40 1½ no influence50 2 –0.00980 3 –0.020Issue/Rev. 0.2 (12/12) MN0M022 • Page 111