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

Proline Promass 83 Modbus RS485Technical data10.1.6 Performance characteristicsReference operatingconditionsPerformance characteristicPromass A• Error limits following ISO/DIN 11631• Water, typically +15 to +45 °C (+59 to +113 °F); 2 to 6 bar (29 to 87 psi)• Data according to calibration protocol ±5 °C (±9 °F) and ±2 bar (±29 psi)• Accuracy based on accredited calibration rigs according to ISO 17025o.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 114.• 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: ±0.02 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 stabilityDN Max. full scale value Zero point stability[mm] [inch] [kg/h] or [l/h] [lb/min] [kg/h] or [l/h] [lb/min]1 1/24 20 0.73 0.0010 0.0000362 1/12 100 3.70 0.0050 0.000184 1/8 450 16.5 0.0225 0.0008Example for max. measured error[%]±0.5±0.4±0.3±0.2±0.100 5 10 20 30 40 50 60 70 80 90 100 kg/hFig. 54: Max. measured error in % o.r. (example: Promass A, DN 2)a0003401Issue/Rev. 0.2 (12/12) MN0M030 • Page 113