Endress+Hauser Proline Prosonic Flow W 400 - Page 161

Proline Prosonic Flow W 400 HART Technical data
Endress+Hauser 161
Example of max. measurement error (volume flow)
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
[%]
2 4 6 8 10 12 14
2
1
[m/s]
[ft/s]
0 2010 30
40
50
A0041973
 56 Example of max. measurement error (volume flow) in % o.r.
1 Pipe diameter < DN 100 (4")
2 Pipe diameter ≥ DN 100 (4")
Accuracy of outputs
The outputs have the following base accuracy specifications.
Current output
Accuracy Max. ±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
±0.3% for flow velocities >0.3 m/s (1 ft/s)
Influence of ambient
temperature
Current output
o.r. = of reading
Temperature coefficient Max. ±0.005 % o.r./°C
Pulse/frequency output
Temperature coefficient No additional effect. Included in accuracy.