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The tube is defined as empty, if the measured density value is lower than the value defined
via the Empty Tube Limit parameter.
Note
Process media density
Risk of unintentionally forcing flow values to zero, if the difference between the empty tube
limit density value and the density of the process media is not sufficient.
● Ensure sufficient difference between the empty tube limit density value and the process
media density
8.5
Process noise damping
Noise damping function
The dynamic sensitivity of the flow measurement signal to rapid changes in process flows can
be reduced by use of the process noise damping function. The function is typically used in
environment with:
● Strongly pulsating flow
● Changing pump speeds
● Large pressure variations
Process noise damping settings
Reduce interfering process noise by increasing the setting of the parameter "Process Noise
Damping".
● Centrifugal pump (1: low)
● Triplex pump (2)
● Duplex pump (3)
● Simplex pump (4)
● Cam pump (5: high)
The default value is "Duplex pump". The damping affects all functions and outputs of the sensor.
Functions
8.5 Process noise damping
FC430 (From firmware 4.0)
156
Operating Instructions, 06/2017, A5E39789392-AA
Содержание SITRANS FC430
Страница 40: ...Description 3 5 Theory of operation FC430 From firmware 4 0 40 Operating Instructions 06 2017 A5E39789392 AA ...
Страница 94: ...Connecting 5 4 Device nameplates FC430 From firmware 4 0 94 Operating Instructions 06 2017 A5E39789392 AA ...
Страница 150: ...Operating FC430 7 2 HMI FC430 From firmware 4 0 150 Operating Instructions 06 2017 A5E39789392 AA ...
Страница 182: ...Functions 8 16 Maintenance FC430 From firmware 4 0 182 Operating Instructions 06 2017 A5E39789392 AA ...
Страница 262: ...Dimensions and weight 12 5 Mounting bracket FC430 From firmware 4 0 262 Operating Instructions 06 2017 A5E39789392 AA ...
Страница 534: ...Index FC430 From firmware 4 0 534 Operating Instructions 06 2017 A5E39789392 AA ...