PM number definition
Examples of PM number in a sentence
The pollutant emissions to be measured from the exhaust of the engine include the following components: carbon monoxide, total hydrocarbons, nitrogen oxides and PM number for compression ignition engines and carbon monoxide, non- methane hydrocarbons, methane, nitrogen oxides and PM number for positive ignition engines.
The PM number analyser shall consist of a pre-conditioning unit and a particle detector (see Figure 1).
The PM number analyser shall fulfil the requirements of this Regulation and the specifications of the instrument manufacturer.
The gaseous emissions and the PM number shall be measured according to the procedure set out in Appendix 1.
The data from the PM number analyser shall be time aligned with its own transformation time, according to the instrument manufacturer’s instructions.