SCHEDULE 5(ANNEX V to Directive 97/68/EC)ANALYTICAL AND SAMPLING SYSTEM
Figure 12Partial flow dilution system with flow control and fractional sampling
FC2 flow controller (Figures 6, 7, 11 and 12, optional)
A flow controller may be used to control the flow of the pressure blower PB and/or the suction blower SB. It may be connected to the exhaust flow or fuel flow signal and/or to the CO2 or NOX differential signal.