Proline Promass 83E/F/O Modbus RS485 Operating Instructions

Proline Promass 83 Modbus RS485Technical dataPerformance characteristicPromass Po.r. = of reading; 1 g/cm 3 = 1 kg/l; T = medium temperatureMaximum measured errorThe following values refer to the pulse/frequency output.The additional measured error at the current output is typically ±5 A.Design fundamentals ä 128.• Mass flow and volume flow (liquids): ±0.10% o.r.• Mass flow (gases): ±0.50% o.r.• Density (liquids)– Reference conditions: ±0.0005 g/cm³– Field density calibration: ±0.0005 g/cm³(valid after field density calibration under process conditions)– Standard density calibration: ±0.01 g/cm³(valid over the entire temperature range and density range ä 134)– Special density calibration: ±0.002 g/cm³(optional, valid range: +5 to +80 °C (+41 to +176 °F) and 0.0 to 2.0 g/cm³)• Temperature: ±0.5 °C ± 0.005 · T °C; ±1 °F ± 0.003 · (T - 32) °FZero point stabilityDNZero point stability[mm] [inch] [kg/h] or [l/h] [lb/min]8 3/8 0.20 0.00715 ½ 0.65 0.02425 1 1.80 0.06640 1½ 4.50 0.16550 2 7.00 0.257Example for max. measured error[%]±1.0±0.5±0.200 1 2 4 6 8 10 12 14 16 18 t/hFig. 60: Max. measured error in % o.r. (example: Promass P, DN 25)a0006891Issue/Rev. 0.2 (12/12) MN0M030 • Page 127