The issue of instrument accuracy
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What do classic A, B, etc. mean? An expert’s explanation, thank you!
There are two ways to express the accuracy of instruments: one is by using reference error or relative error, such as 0.1%, 1%, etc.; the other method is to use Latin letters or Arabic numerals for instruments for which reference error or relative error is not suitable, such as thermal resistors and thermocouples, for example: Grade A, Grade B, Grade 1, Grade 2
There are two ways to express the accuracy of instruments: one is by using reference error or relative error, such as 0.1%, 1%, etc.; the other method is to use Latin letters or Arabic numerals for instruments for which reference error or relative error is not suitable, such as thermal resistors and thermocouples, for example: Grade A, Grade B, Grade 1, Grade 2
The second floor is the correct answer. Additionally, the overall accuracy of the secondary instruments is something that deserves attention