Proline Prosonic Flow P 500
40 Endress+Hauser
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
±0.3% for flow velocities >0.3 m/s (1 ft/s)
Influence of ambient
temperature
Current output
Temperature coefficient Max. 1 μA/°C
Pulse/frequency output
Temperature coefficient No additional effect. Included in accuracy.
Mounting procedure
Mounting location
A0042039
To prevent measuring errors arising from accumulation of gas bubbles in the measuring pipe, avoid
the following mounting locations in the piping:
• Highest point of a pipeline.
• Directly upstream of a free pipe outlet in a down pipe.
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