The Method of Correcting the Error of Flow Meter

Abstract: The information on the method of correcting the error of the flow meter is provided by the excellent flow meter and flow meter production and quotation manufacturers. The difference obtained by subtracting the true value of the measured value from the measurement result of the flowmeter is called measurement error, or error for short. When an error occurs in the instrument, the following methods can be used to correct it. 1. Correction of flow coefficient of flowmeter a. It is given by the standard when the maximum flow is verified. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the article on the method of correcting the error of the flowmeter. The difference obtained by subtracting the true value of the measured value from the measurement result of the flowmeter is called measurement error, or error for short. When an error occurs in the instrument, the following methods can be used to correct it. 1. Correction of flow coefficient of flowmeter a. When the maximum flow is verified, the standard value given by the standard is Q standard; b. At the same time, the reading of the flowmeter under test is Q meter; c. Press the K key to read out the current flow of the meter Parameter C1 (old); d, according to the formula C1 (new) = C1 (old)×Q standard/Q table, calculate the new flow coefficient C1 new; e, then replace the original flow coefficient C1 (old) with the new flow coefficient. 2. Correction of current signaling coefficient a. If the flow is zero, the signaling current is 4mA correction:“10”(new) =“10”(old)×In the 4mA/A0 formula:“10”(New): The new current signaling 4mA point coefficient;“10”(Old): Read out the current sending 4mA coefficient of the meter; A0: The measured value of the sending current with zero flow (mA). b. Correction of full-scale coefficient of current sending:“11”(new) =“11”(old)×In the formula of 16mA/(A01-4mA):“11”(new): new sending full scale coefficient;“11”(Old): Read out the current full-scale coefficient of the sending signal; A01: The measured value of the sending current at the full-scale flow rate (mA). The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Methods of Correcting Flow Meter Errors'

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