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Question:

How to understand the accuracy of electromagnetic flowmeter level 0.5?

How to understand the accuracy of electromagnetic flowmeter level 0.5?

Answer:

For example: if the flow shows that the past 100 tons, then his error may be more than the past, 0.5 tons may be less than 0.5 tons. Academic terms: plus or minus 0.5 tons.
The so-called 0.5 level, that is to say the error is 0.5%, but 0.5 are generally under ideal conditions, and for each different working conditions and the actual precision can reach 0.5, calibration Chinese Institute of measurement value is 1%, not when it comes to 0.5, according to the relevant information shows that China now spend 9 million are engaged in calibration of grade 0.1 the equipment has been submitted.
The absolute value of the difference between the measured value and the true value is less than 0.5 of the percentage obtained from the true value. The average accuracy is greater than 0.2, and the general accuracy is 0.5.For example: the measured value is 100.5 or 99.5, the true value is 100, and the percentage obtained is 0.5%, that is to say, the accuracy is 0.5. But if the percentage in front of the figure is less than or equal to 0.2, the accuracy is called level 0.2.

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