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

Technical dataProline Promass 83 Modbus RS485Design fundamentalsDependent on the flow:•Flow Zero point stability ÷ (Base accuracy ÷ 100)– Max. measured error: ±Base accuracy in % o.r.– Repeatability: ± ½ · Base accuracy in % o.r.• Flow < Zero point stability ÷ (Base accuracy ÷ 100)– Max. measured error: ± (Zero point stability ÷ measured value) · 100% o.r.– Repeatability: ± ½ · (Zero point stability ÷ measured value) · 100% o.r.Base accuracy forMass flow liquids 0.10Volume flow liquids 0.10Mass flow gases 0.50Performance characteristicPromass Io.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 124.• 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: ±0.004 g/cm³(optional, valid range: +10 to +80 °C (+50 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 0.150 0.005515 ½ 0.488 0.017915 FB ½ FB 1.350 0.049625 1 1.350 0.049625 FB 1 FB 3.375 0.12440 1½ 3.375 0.12440 FB 1½ FB 5.250 0.19350 2 5.250 0.19350 FB 2 FB 13.50 0.49680 3 13.50 0.496FB = Full borePage 122 • MN0M030Issue/Rev. 0.2 (12/12)