Endress+Hauser Proline Promass E 500 - Flow Values; Accuracy of Outputs

Technical data Proline Promass E 500 PROFIBUS PA
274 Endress+Hauser
Flow values
Flow values as turndown parameters depending on nominal diameter.
SI units
DN 1:1 1:10 1:20 1:50 1:100 1:500
[mm]
[kg/h] [kg/h] [kg/h] [kg/h] [kg/h] [kg/h]
8 2 000 200 100 40 20 4
15 6 500 650 325 130 65 13
25 18 000 1 800 900 360 180 36
40 45 000 4 500 2 250 900 450 90
50 70 000 7 000 3 500 1 400 700 140
80 180 000 18 000 9 000 3 600 1 800 360
US units
DN 1:1 1:10 1:20 1:50 1:100 1:500
[inch] [lb/min] [lb/min] [lb/min] [lb/min] [lb/min] [lb/min]
³⁄₈ 73.50 7.350 3.675 1.470 0.735 0.147
½ 238.9 23.89 11.95 4.778 2.389 0.478
1 661.5 66.15 33.08 13.23 6.615 1.323
1½ 1 654 165.4 82.70 33.08 16.54 3.308
2 2 573 257.3 128.7 51.46 25.73 5.146
3 6 615 661.5 330.8 132.3 66.15 13.23
Accuracy of outputs
The outputs have the following base accuracy specifications.
Current output
Accuracy ±5 µA
Pulse/frequency output
o.r. = of reading
Accuracy Max. ±50 ppm o.r. (over the entire ambient temperature range)
Repeatability o.r. = of reading; 1 g/cm
3
= 1 kg/l; T = medium temperature
Base repeatability
Design fundamentals →  276
Mass flow and volume flow (liquids)
±0.075 % o.r.
±0.05 % o.r. (calibration option, for mass flow)