Abstract: the intelligent electromagnetic flowmeter
scale late stable operation management information produced by excellent flow meter
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We after years of practical application to realize, to make the intelligent electromagnetic flowmeter safe and stable operation, should be to create a good condition on site, and in strict accordance with the technical requirements for the correct installation and debugging, centralized management, to ensure that smart.
More flow meter manufacturers choose model price quote you are welcome to inquire, here is the intelligent electromagnetic flowmeter inventory management article details late stable operation.
We after years of practical application to realize, to make the intelligent electromagnetic flowmeter safe and stable operation, should be to create a good condition on site, and in strict accordance with the technical requirements for the correct installation and debugging, centralized management, in order to guarantee the normal work of the intelligent electromagnetic flowmeter, continuous and accurate measurement.
Here is a golden tripod instrument in our company in the intelligent electromagnetic flowmeter application specific practices for discussion.
One, the intelligent electromagnetic flowmeter installation location choice intelligent electromagnetic flowmeter installation position should meet the requirements of the intelligent electromagnetic flowmeter for straight pipe before and after, the length of the straight pipe upstream of the intelligent electromagnetic flowmeter is greater than 5 d (
D for pipe diameter)
Straight pipe, the downstream is greater than 2 d, to ensure the axial symmetry of flow velocity distribution, eliminate the resulting measurement error.
Intelligent electromagnetic flowmeter installation location should avoid strong vibration, avoid the strong interference sources, and make the pipes should be filled with water.
Two, correct installation of the intelligent electromagnetic flowmeter 1, the installation of the intelligent electromagnetic flowmeter sensor is divided into the installation of the installation of sensors and switches, especially the installation of sensors, need water, pipe cutting, pumping and welding or play, make the installation work is difficult, and need water for a long time, causing a certain economic loss.
Aimed at this situation, we installed on cast iron pipe flow time, adopted a new process method, two single plate compensator to replace the traditional short GuanJia, b, to cancel the operation and maintenance of pipe mouth in a time, especially in the case of valve clearance is not too strict, can be operated with water.
After the water supply, install a sensor need only half a day to restore water, thus reduces the installation time, reduced the economic losses caused by water, and received the certain social benefits.
2, the sensor shell good grounding alone, is to ensure normal flow stability of the measurement of a necessary condition.
People tend to think a sensor installed on metal, and pipe buried underground, pipeline and a long, its itself is a large grounding, instrument no ground treatment.
But ignored the two problems, one is the pipe is generally made anticorrosive processing, 2 it is through the mouth or rubber pad will be divided by a connecting flange and pipe, thereby causing the grounding resistance of the sensor has greatly increased, affect the normal operation of the intelligent electromagnetic flowmeter.
We used to have a smart in practical application of electromagnetic flow meter not work properly after put into use, flow display, appear even atc alarm prompt.
At that time, according to the failure to find reasons for no result, then to the sensor alone, do a grounding fault phenomenon disappeared, still running normally.
Therefore, in the intelligent electromagnetic flowmeter after the installation, should be measured grounding resistance, if resistance is big, zui, good do a grounding to reduce the interference caused by stray current potential.
Three, use after years of practice and observation, we believe that the intelligent electromagnetic flowmeter in production operation in our company, other instruments work better than before.
1, the intelligent electromagnetic flowmeter with high precision, good linear, running stability, improve the measurement accuracy and the reliability of data, overcomes some instrument operation is not so stable, thus caused the measurement data credibility problem.
After a lot of field, error in the range of control, enhances the trust degree of instrumentation, finished according to the calculation of the water pump performance curve is not scientific measurement method, cogent accomplish the instrument to collect data shall prevail, to avoid the artificial factor.
2, the structure of the intelligent electromagnetic flowmeter is simple, the sensor has no moving parts, there is no winding due to mechanical wear or impurities and the error of measurement or instrument malfunction, so the failure rate is low, the maintenance quantity is greatly reduced, thus saving a lot of manpower material resources.
3, the intelligent electromagnetic flowmeter has many interface circuit, can be very convenient and the data acquisition terminal or computer connection, to realize the automatic data acquisition, analysis, management.
The management of the intelligent electromagnetic flowmeter 1, establish intelligent electromagnetic flowmeter operation file, including flow meter manufacturer, model, production date, installation location, pipe diameter, the calibration time etc, in order to maintenance and management for instrument.
2, strengthen the patrol inspection work, regular testing calibration.
We mainly adopts two kinds of methods, one is with a relatively high precision of portable flow meter and intelligent electromagnetic flowmeter measurement comparison;
Second, with a flow meter calibration device, to calibrate the flow transducer, various specifications is correct, check and test data file.
3, the test data, compared with previous test results for the suspicious data analysis carefully and find the possible reasons, timely processing to solve, and make a flowmeter operation analysis report.
Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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