First, the flow meter does not show the flow solution
(1) First check if there is a problem with the line, such as the signal line is off, there is a broken line and so on.
(2) Separate the sensor from the signal amplifier, connect the signal amplifier to the meter, and use iron metal to move the distance from the bottom of the signal amplifier at a distance of 2~3mm. If the meter has a display, the display part is no problem. Please remove the flow sensor from the pipe and check whether the flowmeter impeller is entangled or the impeller is broken.
Second, traffic fluctuations are relatively large
The reasons for the relatively large fluctuations in traffic can be considered from the following aspects:
1. Is there interference
Near the flow meter, there are interference sources such as motors, frequency converters, and strong electric power. Solution: flow meter grounding, or filter capacitor. If you cannot solve it, you should stay away from sources of interference.
2. Whether the water source is pulsating
(1) In general, pumping raw materials, if the flow installation position is relatively close to the pump, it is easy to produce pulsating flow, which causes a relatively large flow fluctuations. At this time, the solution is to increase the straight pipeline distance between the pump and the flow meter. Make the flow stable.
(2) The installation position of the flowmeter is too close to the position of the valve or elbow pipe. When the raw material passes through the valve or the elbow pipe, the flow rate fluctuates. At this point, it should be far away from the position of the valve and elbow to ensure a certain straight pipe section.
Third, the flowmeter display error is relatively large
(1) First check whether the flow sensor coefficient, ie K value, and other parameters of the instrument are set correctly.
(2) Actual calibration and calibration with electronic scales are performed under the condition of the customer.
Fourth, the flow meter shows a small flow, while the actual flow is relatively large
The reason for this problem is generally that the impeller does not spin fast or the blades break. Remove the flow from the pipe and check that the flow meter is tangled or damaged.
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