5.4.1 The emission of gaseous components by the
engine submitted for testing shall be measured by methods as analysers,
whose specifications are set out in appendix
3 of this Code.
5.4.2 Other systems or analysers may, subject
to the approval of the Administration, be accepted if they yield equivalent
results to that of the equipment referenced in 5.4.1.
5.4.3 This Code does not contain details of flow,
pressure, and temperature measuring equipment. Instead, only the accuracy
requirements of such equipment necessary for conducting an emissions
test are given in 1.3.1 of appendix
4 of this Code.