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Steam flow meter scale error classification of different characteristics of various kinds of error

by:Sincerity     2020-12-11
Abstract: the error classification of steam flow meter scale the different characteristics of the various error information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. 1, system error, means the regular error caused by the measurement instruments or methods, embodied with true value, the deviation between the instrument zero error, error of secular variation, the error due to environmental conditions, such as temperature, electromagnetic field, the error due to power supply, etc. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the error of the steam flow meter scale classification of different characteristics of various error article details. 1, system error, means the regular error caused by the measurement instruments or methods, embodied with true value, the deviation between the instrument zero error, error of secular variation, the error due to environmental conditions, such as temperature, electromagnetic field, the error due to power supply, etc. The absolute value of the error and symbol remains the same, or measurement error to obey certain function relation changes when conditions change. After mastering the causes of error, system error could check on the instrument, check test environment change, in order to find out the error of numerical system, and try to exclude it. For example: the wheel angular velocity measurement error caused by the eccentric according to the sine law of change, to align the center can eliminate the error. 2, random error, besides can eliminate the system error caused by random factors, other generally cannot be ruled out hard correction error is known as random error. Under the condition of the same test repeatedly, the probability of random errors can be found to obey the rule of statistical analysis, error theory is against the law of random error, a limited set of the data for statistical processing to evaluate measure the true value of learning. The characteristics of random error is the error of symbols and size are in change at any time. Are many factors that influence the error, and each factor impact on the measured values are only tiny, random error is caused by the sum of these tiny influence. Generate random error although know some factors, such as air dry degree, size or degree of purification and airflow direction and so on all have small influence on the measured results, but can't accurate control, there are some random error factors can not be sure. 3, bulky error, refers to as the observer misreading or sensing element failure caused by the differences, the error. Should avoid the occurrence of the error of measurement. With the measured value of the gross error called a bad value, according to the statistical test method of criterion to judge whether it is a bad value, bad values should be removed. Exclude this type of error is also to follow certain rules. The above information hope can help you. We summarize information point for everyone to be adopted. This is not only for the product maintenance and convenient use. So please continue to pay attention. We give preference to when the choose and buy the instrument. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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