Post-maintenance of orifice flow meter

Abstract: The post-maintenance information of the orifice flow meter is provided by the excellent flow meter and flow meter manufacturers and quotation manufacturers. The orifice flowmeter we use must learn to know how to maintain it, otherwise the best flowmeter will not help. Let's take a look at the periodic inspection of the flowmeter. 1. Automatic adjustment or staged adjustment, that is, when the orifice flowmeter is checked as usual, if it is wrong. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the details of the post-maintenance article of the orifice flowmeter. The orifice flowmeter we use must learn to know how to maintain it, otherwise the best flowmeter will not help. Let's take a look at the periodic inspection of the flowmeter. 1. Automatic adjustment or staged adjustment, that is, when the orifice flowmeter is routinely verified, if the error is within the allowable range, the next verification period should be extended, and if the allowable error is exceeded, the verification period should be shortened. 2. The time method is used, that is, the device is connected to the meter. When the actual working hours of the flowmeter accumulated by the meter reach the specified value, the orifice flowmeter is verified, and its cycle can be determined according to the above method. 3. Online test or“black box”Test method, i.e. frequent online verification of limit parameters with portable standard devices or the use of specially designed“black box”Check the selected parameters, and if the flowmeter is found to be unqualified, the flowmeter should be fully verified, which is an aperiodic follow-up verification. 4. Schedule time method, group batches of orifice flowmeters with the same accuracy level according to the conditions of use, and preliminarily determine the verification period of each group. For each group of flowmeters, within the specified period, if If the proportion of unqualified orifice flowmeters is too high, the verification period should be shortened. If the proportion of unqualified orifice flowmeters is very low, the verification period can be extended. 5. Control chart method, select the same calibration point from each test, plot the calibration results according to time, and calculate according to the dispersion and drift of these points. 6. Reliability analysis method, please refer to the National Metrology Verification Regulations JJG1024-91 'Reliability Analysis Principles of Measuring Instruments' for details. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Post-maintenance of orifice flow meter'

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