Exhaust gas analysers · Annex XII · CO fraction, class I, rated operating conditions
For Exhaust gas analysers, annex is Annex XII; condition is CO fraction, class I, rated operating conditions; accuracy class is I; maximum permissible error is ± 0,06 % vol ± 5 %; scope or member state option is For each of the fractions measured, the maximum error value permitted under rated operating conditions according to point 1.1 of Annex I is the greater of the two values shown in Table 2. Absolute values are expressed in % vol or ppm vol, percentage values are percent of the true value, recorded from its source on 2026-09-01.
- Instrument type
- Exhaust gas analysers verified
- Annex
- Annex XII verified
- Accuracy class
- I verified
- Condition
- CO fraction, class I, rated operating conditions our reading
- Maximum permissible error
- ± 0,06 % vol ± 5 % verified
- Scope or member state option
- For each of the fractions measured, the maximum error value permitted under rated operating conditions according to point 1.1 of Annex I is the greater of the two values shown in Table 2. Absolute values are expressed in % vol or ppm vol, percentage values are percent of the true value. verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
For each of the fractions measured, the maximum error value permitted under rated operating conditions according to point 1.1 of Annex I is the greater of the two values shown in Table 2. Absolute values are expressed in % vol or ppm vol, percentage values are percent of the true value. Table 2 MPEs | Parameter | Class 0 | Class I | CO fraction | ± 0,03 % vol ± 5 % | ± 0,06 % vol ± 5 % | CO2 fraction | ± 0,5 % vol ±5 % | ± 0,5 % vol ± 5 % | HC fraction | ± 10 ppm vol ± 5 % | ± 12 ppm vol ± 5 % | O2 fraction | ± 0,1 % vol ± 5 % | ± 0,1 % vol ± 5 %
— eur-lex.europa.eu, retrieved 2026-09-01
Where each value comes from
This source states these in separate places, so each value is shown with the passage it comes from.
Instrument type
ANNEX XII EXHAUST GAS ANALYSERS (MI-010) The relevant requirements of Annex I, the specific requirements of this Annex and the conformity assessment procedures listed in this Annex, apply to exhaust gas analysers defined below intended for inspection and professional maintenance of motor vehicles in use.
Annex
ANNEX XII EXHAUST GAS ANALYSERS (MI-010)
Accuracy class
The source prints this value inside the passage below but does not name it there. The passage shows where it appears; what ties it to this record is the position on the page, not anything the passage says.
For each of the fractions measured, the maximum error value permitted under rated operating conditions according to point 1.1 of Annex I is the greater of the two values shown in Table 2. Absolute values are expressed in % vol or ppm vol, percentage values are percent of the true value. Table 2 MPEs | Parameter | Class 0 | Class I
Maximum permissible error
For each of the fractions measured, the maximum error value permitted under rated operating conditions according to point 1.1 of Annex I is the greater of the two values shown in Table 2. Absolute values are expressed in % vol or ppm vol, percentage values are percent of the true value. Table 2 MPEs | Parameter | Class 0 | Class I | CO fraction | ± 0,03 % vol ± 5 % | ± 0,06 % vol ± 5 %
— all from eur-lex.europa.eu, retrieved 2026-09-01
Source
- eur-lex.europa.euhttps://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:32014L0032