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

Proline Promass 83 Modbus RS485Technical dataDesign 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 0.25Volume flow liquids 0.25Mass flow gases 0.75Performance characteristicPromass Fo.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 119.• Mass flow and volume flow (liquids):±0.05% o.r. (PremiumCal, for mass flow)±0.10% o.r.• Mass flow (gases): ±0.35% 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: ±0.001 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 stability Promass F (standard)DNZero point stability Promass F (Standard)[mm] [inch] [kg/h] or [l/h] [lb/min]8 3/8 0.030 0.00115 ½ 0.200 0.00725 1 0.540 0.01940 1½ 2.25 0.08350 2 3.50 0.12980 3 9.00 0.330100 4 14.00 0.514150 6 32.00 1.17250 10 88.00 3.23Issue/Rev. 0.2 (12/12) MN0M030 • Page 117