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19" scanning mobility particle sizer and counter 5420-TR-CEN
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19" rack mounted high end condensation particle counter 5420
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19" scanning mobility particle sizer and counter 5420-TR-CEN
19" rack mounted high end condensation particle counter 5420

SMPS+C 5420 | 5420-TR-CEN
19" scanning mobility particle sizer and counter

SMPS+C system in 19” rack-design, available as model 5420-TR-CEN with a size range of 10 nm to 1,090 nm for full compliance with CEN/TS 17434:2020 or as model 5420 version with M DMA for a size range of 5 nm to 350 nm. It is designed for unattended 24/7 real-time monitoring of UFP in ambient air. 


Functionality: Electrostatic classification and condensation particle counter

  • Precise nanoparticle sizing and counting: n-Butanol based CPC with exchangeable Vienna Reischl Type DMAs 
    • CEN/TS compliant with L-DMA: 10 … 1,090 nm
    • Lower sizing limit with M-DMA: 5 … 350 nm
  • Compact 19” design
  • Flow rates controlled by critical orifices
  • Integrated pumps for sample and sheath air
  • Saturator shutter
  • Long-term butanol and condensate tanks

  • Harmonized UFP sizing and counting
  • Low particle losses, high size resolution
  • Easy integration in measurement stations
  • No external vacuum required
  • Unattended 24/7 operation for ≥ 3 weeks
  • Prompt transport without butanol drying
  • Regulatory monitoring, e.g. governmental networks
  • Compliant for use in ACTRIS 
  • Fundamental aerosol research
  • Environmental aerosol research
  • Nanotechnology process monitoring
  • Studies on atmospheric nucleation
  • Nanoparticle transport 
  • SMPS+C 5420
  • SMPS+C 5420-TR-CEN
Measuring principleElectrostatic classification in DMA and detection in condensation particle counter
Measuring variableParticle size distribution, dN/dlogD (1/cm³)
Particle size range5 … 350 nm (GRIMM M-DMA)10 … 1090 nm (GRIMM L-DMA)
Particle size channelsStepping mode: 45 … 255Scanning mode: 64 or 128 per size decade with logarithmic equidistant spacingLogarithmic spacing
Maximum particle concentrationUp to 107 particles/cm³ *
Minimum scan time150 s
Sample inlet pipeNafion® based dryerDrying of aerosol flow to ≤ 40% RH
Total inlet flow rate1.5 l/min (through sample pipe)
CPC working fluidn-butanol (n-butyl alcohol)
CPC particle concentration rangeSingle count mode: up to 150,000 particles/cm³ Photometric mode: up to 107 particles/cm³ **
CPC particle concentration accuracySingle count mode: ≥ 95%Photometric mode: ≥ 90%
CPC data output interval1 … 90 s (user selectable)
CPC counting efficiencyD50 = 4 nm (determined with tungsten oxide particles)
CPC linearity slope1 ± 0.05
CPC response time t10 … t90< 3 s
CPC sample flow rate Qs0.3 l/min
DMA sheath flow rate Qsh3.0 or 0.6 l/min
Flow controlCritical orifices with stabilized temperature
DMA resolution Qsh/Qs = 5 or 10
DMA sizing accuracy≤ 3% of nominal diameter
HV moduleIntegrated in DMA0 … +10,000 V (neg. polarity on request)
Standards and certificatesISO 15900:2020ISO 27891:2015
Internal sensorsT, pabs and Δp across inlet in DMA pabs and Δp across inlet in CPC
ConnectivityUSB, USB flashdrive, RS-232, analog input for meteorological sensors, analog pulse output
Operation and displayStatus LEDs and LCD display on CPCGRIMM 5477 nanoSoftware for sizers on PC
Power requirements110 … 240 VAC; 50 / 60 Hz; maximum 130 W
Ambient aerosol conditionsTemperature: -20 … 40 °C (-4 … 104 °F)Humidity: 0 … 95 % RH, non-condensingAbsolute pressure range: 700 … 1,100 mbar
Transport and storage0 … +50 °C (32 … 122 °F), RH < 95%
InstallationIn 19ʺ instrument rack***Indoor or outdoor**** protected environment Temperature: 20 … 30 °C (68 … 86 °F)Humidity: 0 … 95% RH, non-condensing
System componentsCPC 5420 5438-1.5 butanol and condensate tank unit182-1.5 1.5m sample pipe
Dimensions (h x w x d)CPC: 22 x 48 x 41 cm (8.7 x 19 x 16 in); 5 height units 19ʺTank unit: 9 x 48 x 32 cm (3.5 x 19 x 12.6 in); 2 height units 19ʺHeight with sample pipe: 182 cm (71.7 in)
WeightCPC with M-DMA: 21.9 kg (48.3 lbs)CPC with L-DMA: 24.1 kg (53.0 lbs)Tank unit: 4.1 kg (9 lbs)Total with sample pipe: 32.6 … 34.8 kg (71 … 76.7 lbs)

* Depending on used  aerosol neutralizer
** For short-term measurements
*** Requires 19ʺ rack rails
**** Outdoor installation requires weather protection shelter


Measuring principleElectrostatic classification in DMA and detection in condensation particle counter
Measuring variableParticle size distribution, dN/dlogD (1/cm³)
Particle size range10 … 1,090 nm (GRIMM L-DMA)
Particle size channelsStepping mode: 45 .. 255Scanning mode: 64 or 128 per size decade with logarithmic equidistant spacing
Maximum particle concentrationUp to 107 particles/cm³ *
Minimum scan time150 s
Sample inlet pipeNafion® based dryerDrying of aerosol flow to ≤ 40% RHMaximum particle losses ≤ 25% at 10nm
Total inlet flow rate1.8 l/min (through sample pipe)
CPC working fluidn-butanol (n-butyl alcohol)
CPC particle concentration rangeSingle count mode: up to 100,000 particles/cm³ Photometric mode: up to 107 particles/cm³ **
CPC particle concentration accuracySingle count mode: ≥ 95%Photometric mode: ≥ 90%
CPC data output interval1 … 90 s (user selectable)
CPC counting efficiencyD50 = 10 ± 1 nmD90 ≤ 20 nm
CPC linearity slope1 ± 0.05
CPC response time t10 … t90< 2 s
CPC sample flow rate Qs0.3 oder 0.6 l/min
DMA sheath flow rate Qsh3.0 l/min
Flow controlCritical orifices with stabilized temperature
DMA resolution Qsh/Qs = 5 or 10
DMA sizing accuracy≤ 3% of nominal diameter
HV moduleIntegrated in DMA0 … +10,000 V (neg. polarity on request)
Standards and certificatesISO 15900:2020CEN/TS 17434:2020ISO 27891:2015EN 16976:2024List of ACTRIS compliant instruments ***
Internal sensorsT and RH in aerosol inlet and sheath air flowT, pabs and Δp across inlet in DMApabs and Δp across inlet in CPC
ConnectivityUSB, USB flashdrive, RS-232, analog input for meteorological sensors, analog pulse output
Operation and displayStatus LEDs and LCD display on CPC15.6ʺ touch sensitive monitorGRIMM 5477 nanoSoftware for sizers on PC
Power requirements110 … 240 VAC; 50 / 60 Hz; maximum 130 W
Ambient aerosol conditionsTemperature: -20 … 40 °C (-4 … 104 °F)Humidity: 0 … 95 % RH, non-condensingAbsolute pressure range: 700 … 1,100 mbar
Transport and storage0 … +50 °C (32 … 122 °F), RH < 95%
InstallationIn 19ʺ instrument rack****Indoor or outdoor***** protected environment Temperature: 20 … 30 °C (68 … 86 °F)Humidity: 0 … 95% RH, non-condensing
System componentsCPC 5420-TR-CEN5438-1.5 butanol and condensate tank unit182-1.5 1.5m sample pipeMeasurement PC with 15.6ʺ monitor
Dimensions (h x w x d)CPC: 22 x 48 x 41 cm (8.7 x 19 x 16 inch); 5 height units 19ʺMonitor: 31 x 48 x 27 cm (12 x 19 x 10.6 inch); 7 height units 19ʺTank unit: 9 x 48 x 32 cm (3.5 x 19 x 12.6 inch); 2 height units 19ʺHeight with sample pipe: 213 cm (83.9 inch)
WeightCPC with L-DMA: 24.1 kg (53.0 lbs)Monitor and PC: 6.6 kg (14.6 lbs)Tank unit: 4.1 kg (9 lbs)Total with sample pipe: 34.8 kg (83 lbs)

* Depending on used  aerosol neutralizer
** For short-term measurements
*** 0.6 l/min sample flow rate version
**** Requires 19ʺ rack rails
***** Outdoor installation requires weather protection shelter

  • Optional
5523-Ni - Ni-63 (95 MBq) aerosol neutralizer
5525-X -\tSoft X-ray (<4.99 keV) aerosol neutralizer
5540 - Sheath air dryer and adsorber
5524-X - Soft X-ray (<11 keV) aerosol neutralizer

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