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The detailed meaning of the 2OO3 and 2OO2 votes

2009-02-01View Original

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What is the detailed meaning of the 2OO3 and 2OO2 votes? Please explain in detail. Are the measuring instruments in SIS systems generally designed based on 2OO2 and 2OO3 principles?
Reply #22009-02-01
2OO3 = 2 out of 3, which means taking 2 from 3; see http://bbs.hcbbs.com/viewthread.php?tid=241953

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