Building on the proven, regulatory-compliant Nanoparticle Emission Tester (NPET 3795), the High-Concentration NPET supports a wide range of emission sources, including internal combustion engines, gasoline- and diesel-powered vehicles, and biomass power plants. Its robust, user-friendly design makes it ideal for use by researchers, regulatory inspectors, and maintenance personnel.
Equipped with a built-in catalytic stripper that removes volatile particles, the High-Concentration NPET enables accurate measurement of solid particle emissions only. Based on the same unique design principles as certification-grade instruments, it delivers laboratory-quality particle counting in real-world environments — and is capable of handling emission levels beyond certification limits, such as those upstream of after-treatment systems, upstream and downstream of Diesel or Gasoline Particle Filters, cold start emissions or biomass combustion emissions.
Applications
The High-Concentration Nanoparticle Emission Tester is suitable for a variety of applications, including:
- In-use diesel machinery compliance certification
- Exhaust after treatment inspection and maintenance programs
- Diesel Particulate Filter (DPF) retrofit programs
- Gasoline Particle Filter (GPF) characterization
- Fleet emissions profiling
- DPF/GPF regeneration studies
- Cold start emission measurements
- Combustion emissions research (biomass, wood burning)
Features and Benefits
- Direct measurement of particle number concentration using proven Condensation Particle Counter (CPC) technology
- Sampling probe with integrated dilution to measure concentration up to 100,000,000 particles/cm³
- Selectable measurement modes:
	- Real-time data logging for research
- User-defined protocols for reporting test cycle results
 
- Sampling probe with integrated dilution
- Wide environmental operating range
	- -10°C to 40°C
- 0 - 3,000 m
 
