The main function of electromagnetic flowmeter
Many people think that the electromagnetic flowmeter is a commonly used flow measurement instrument, and it needs to cooperate with other instruments in the process to complete. The electromagnetic flowmeter is mainly used to measure the flow, and send the flow signal to the controller and the flow controller. It can be set when the instantaneous flow rate reaches the value to announce the signal to the regulating valve to perform the closing action. It is also possible to set the cumulative flow to reach a certain value for quantitative control. Electromagnetic flowmeters have good application effect in liquid medium measurement, accurate measurement, long use time, and few problems. It can be measured as long as the liquid has a certain conductivity.
The electromagnetic flowmeter can be used with any flow totalizer, and can also directly send the signal to the PLC and computer. So what are the functions of electromagnetic flowmeters? Mainly include flow lower limit setting, flow upper limit setting, flow lower limit alarm, flow upper limit alarm, small signal cut-off function, range setting, pipeline empty pipe alarm, surface fault alarm, output: pulse signal, output current signal.
The function of setting the lower limit of flow: it is mainly used in some special places. When the flow is lower than the set value, an alarm will be issued, and the operator will close the valve or shut down the pump as needed.
Flow upper limit setting function: When the flow upper limit is set, and the flow exceeds the upper limit, we can generally adjust the valve switch appropriately.
Small signal cut function: It is mainly used in some places and there may be some interference. We ignore the small interference signal by setting the small signal cut function.
The electromagnetic flowmeter can also perform batch control. When it has the batch control function, there is a built-in batch controller on the surface, which can cooperate with the filling or feeding process to perform fixed-value batch control. If we don't need too much cost, we can also use the most stupid method, as long as the flowmeter has the accumulation function, let an operator stand in front of the flowmeter, and press the stop pump every time a given value is reached. button, this operation is also quite reliable.
Other precautions: The electromagnetic flowmeter used for quantitative control must be installed correctly according to the requirements of the manual. It is best to communicate with the technical personnel of the manufacturer before installation.
