Proline Promass 83E/F/O Modbus RS485 Operating Instructions
Proline Promass 83E/F/O Modbus RS485 Operating Instructions
Proline Promass 83E/F/O Modbus RS485 Operating Instructions
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<strong>Proline</strong> <strong>Promass</strong> 83 <strong>Modbus</strong> <strong>RS485</strong>Technical 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 0.102 : 1 9000 330.75 0.10Design fundamentals ä 122RepeatabilityDesign fundamentals ä 122.Material measuring tube: Zirconium 702/R 60702• Mass flow and volume flow (liquids): ±0.05% o.r.• Density (liquids): ±0.00025 g/cm 3• Temperature: ±0.25 °C ± 0.0025 · T °C; ±0.5 °F ± 0.0015 · (T - 32) °FMaterial measuring tube: Tantalum 2.5W• Mass flow and volume flow (liquids): ±0.05% o.r.• Mass flow (gases): ±0.25% o.r.• Density (liquids): ±0.0005 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 <strong>Promass</strong> H Zirconium 702/R 60702 <strong>Promass</strong> H Tantalum 2.5W[mm] [inch] [% o.r./bar] [% o.r./bar]8 3/8 –0.017 –0.01015 ½ –0.021 –0.01025 1 –0.013 –0.01240 1½ –0.018 –50 2 –0.020 –Issue/Rev. 0.2 (12/12) MN0M030 • Page 121
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