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PMP compliant condensation particle counter 5430
PMP compliant condensation particle counter 5431

GRIMM 5430 | 5431
PMP compliant condensation particle counters

High-accuracy stationary nanoparticle counters for automotive emission measurements compliant with Euro 5 and 6 standard. 


Functionality: Condensation Particle Counter

  • Precise nanoparticle counting: n-Butanol based CPC, Single count mode (up to 50,000 particles/cm3), Coincidence correction: < 10% up to 23,000 particles/cm³, Linearity: R² ≥ 0.98 for 1 … 23,000 particles/cm³, Counting efficiency within 50 ±12% at 23 nm and ≥ 90% at 41 nm
  • Sample flow rate controlled by critical orifice: External vacuum required; 
  • For 5431: Sample flow rate controlled by critical orifice: Integrated sample air pump, no external vacuum required 
  • Saturator shutter
  • Continuous condensate drain with micro pump
  • Wide range power supply: 90 … 264 VAC, 47 … 63 Hz, 80 … 130 W
  • Complies to the GPRE particle measurement program (PMP) for Euro 5 and 6, regulation 83
  • Suitable for engine emissions for EURO 5 and 6 certificates
  • Easy to use: Status control via LEDs, Display for real-time number concentration data, 5475 GRIMM nanoSoftware for CPC

  • Compact and rugged design
  • Engine emissions for Euro 5 and 6 certifications
  • Testing of Diesel particulate filter
  • Particle counter in dilution systems
  • High resolution concentration time series in driving cycles
  • Technical data
Detection principleCondensation Particle Counter
Working fluidn-butanol (n-butyl alcohol)
OutputParticle number concentration / cm³
Particle concentration range0 … 23,000 particles/cm³
Coincidence correction< 10%
Concentration linearityR² ≥ 0.98
Concentration accuracy< 10%
Counting efficiency at 23 nm50 ±12%, independent of altitude above sea level
Counting efficiency at 41 nm≥ 90%, independent of altitude above sea level
False background counts< 0.001 particles/cm³
Readability0.1 particles/cm³
Response time t10 … t90< 3 s
Sample flow rate0.6 l/min (requires external vacuum)
Flow controlCritical orifice with stabilized temperature
Aerosol carrier gasAir and inert gases
Data recordingDirectly on PC with GRIMM 5475 nanoSoftwareOptionally on USB flash drive
ConnectivityUSB, USB flash drive, RS-232, analog input
Power requirements90 … 264 VAC, 47 … 63 HzWide range power supply, 80 … 130 W
Operating conditionsAmbient temperature: 10 … 40 °C (50 … 104 °F) Ambient humidity: 0 … 95% RH, non-condensingAbsolute pressure range: 600 … 1,050 mbar
Transport and storage0 … 50 °C (32 … 122 °F)RH < 95%
Dimensions (H x W x D)22.6 x 25.4 x 22.3 cm (8.9 x 10.0 x 8.8 in)
Weight8.9 kg (19.6 lbs)