1.
Two classes (0 and I) are being defined for exhaust gas analysers. The relevant minimum measuring ranges for these classes are shown in Table 1. Table 1 Classes and measuring ranges Parameter Classes 0 and I CO fraction from 0 to 5 % vol CO_(2) fraction from 0 to 16 % vol HC fraction from 0 to 2000 ppm vol O_(2) fraction from 0 to 21 % vol λ from 0,8 to 1,2
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Source: EUR-Lex (Cellar) · retrieved 2026-11-06 · Text as adopted (Official Journal); later amendments are not incorporated in this text.