Vortex flow meter
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When there is no flow, the meter displays a value that exceeds the upper limit; the manufacturer recommends increasing the values of k2 and k3 appropriately. Will doing this affect the accuracy of the meter?
When there is no traffic, an overload message is displayed; this may indicate a malfunction. What is the relationship with the coefficient settings?
But after increasing k3, it displayed normally
The value displayed when there is no traffic is an imaginary value; it can be filtered out
May I ask what parameters K2 and K3 refer to for your vortex street sensors? Since you said that the K3 gauge worked properly after making some adjustments, was it perhaps the sensitivity that was adjusted? There are likely to be many problems when using this vortex street in the future
OP, based on what you’ve described, my personal opinion is that there might be an issue with the model you chose. The selection of flow meters is extremely important; most problems related to flow measurement stem from the incorrect choice of flow meter. On the one hand, the data provided by the users is incorrect; on the other hand, the sales team lacks the necessary professional competence to come up with targeted solutions based on the actual conditions at the users’ sites.
Mainly, what do K2 and K3 represent? Please explain clearly
It is said to be used for adjusting the upper and lower limits of the bandpass filter; I want to know if this has an impact on accuracy
If the selection is correct, it might be caused by frequency resonance inside the flow meter. Since this issue is minor, it has no impact on accuracy.
For domestic vortex flow meters, K2 and K3 are used to adjust the flow rate range as well as the sensitivity of the instrument