This multiple CFV-CVS can finely change the diluent air flow stepwise in combination with venturi when the diluent air flow is varied. This sampler is optimum for use in the driving mode requiring instantaneous switching of diluent air flow or when a wide diluent air flow ratio has to be set.
Dilution flow rate
018MV・・・1〜18m3/min
Step sample (in case of 5 CFV)
1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18
020MV・・・1〜20m3/min
009MV・・・1〜9m3/min