Solid Particle Counting System
Able to take raw sample from engine tailpipe, as well as diluted sample from tunnel-CVS. Applicable to after-treatment system evaluation, by taking sample gas from upstream and downstream of catalyst to check efficiency.
Two-stage dilution by Wide Range Continuous Diluter (WRCD); Developed by HORIBA - Patent applied. Dilution ratio:
Daily check functions for dilution factor, particle penetration, and zero level of CPC. Optional NaCI particles generation unit for checking CPC linearity.
Based on PMP New Standard (Draft)
The configuration of HORIBA solid particle counting system conforms to the recommendation by the Particle Measurement Program (PMP) in Working Party on Pollution and Energy (GRPE) under the auspices of United Nations Economic Commission for Europe (UN ECE).
The system performance also meets with the requirements of the PMP draft standard, which has a high possibility to affect future regulations in other countries. The reliability of the system has been demonstrated by cross-checking with the PMP standard system, so-called "golden system" that participates in the Inter-Laboratory Correlation Exercise arranged by PMP.
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