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Scanning mobility particle sizer SMPS+E
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Scanning mobility particle sizer SMPS+E

GRIMM SMPS+E
Scanning mobility particle sizer

Scanning mobility particle sizer with Faraday cup electrometer. This is an all-in-one system for particle size distribution and can also be used as referencing instrument for calibration of nanoparticle counters since it is optimized to reduce the effects of mechanical shocks and pressure differences.  


Functionality: Mobility particle size spectrometer with Faraday cup electrometer detection

  • Versatile GRIMM DMA Controller 5706
    Precise control of DMA sheath air and sample flow with stand-alone operation for monodisperse particle classification – no computer needed.
  • High-performance faraday cup electrometer (GRIMM FCE 5705)
    Trusted by leading metrology institutes worldwide, offering exceptionally low current noise and superior measurement accuracy.
  • Reliable Vienna-type differential mobility analyzers (GRIMM DMAs)
    Available as S-, M-, and L-DMA for a wide range of particle sizes and applications. U-DMA allows adaptation of the classification and measurement range.
  • Modular, ready-to-use system
    Complete solution with rapid setup and precise flow control. No consumables required. Fully compatible with all GRIMM aerosol neutralizers.
  • Designed for a wide range of nanoparticle applications
    Aerosol instrument calibration, fundamental aerosol and atmospheric research, engine exhaust and emission measurements, combustion process optimization, nanomaterial characterization
  • Fundamental aerosol research
  • Filter testing
  • Instrument calibration
  • Nanotechnology process monitoring
  • Printer emission studies
  • Inhalation and exposure studies
  • Engine exhaust studies
  • Workplace monitoring
  • Technical data
Measurement principleElectrostatic classification with subsequent detection in a faraday cup electrometer
Particle size rangeMaximum covered range 0.8 to 1,090 nm; depending on DMA and sheath flow rate
Particle size resolutionStepping mode: 45 to 255 channelsScanning mode: 32, 64 and 128 channels per decade, logarithmic equidistant spacing
Min. scan time14 s
Max. particle concentrationUp to 107 particles/cm³ total number concentration, depending on aerosol neutralizer
Output HV module0 to 10 000 V positive polarity; negative polarity on request
Maximum current± 4000 fA
Current resolution0 to 40 fA: ± 0.01 fA40 to 400 fA: ± 0.1 fA400 to 4000 fA: ± 1.0 fA
Average noise level0.35 fA
FCE response time t10 - t90< 0.25 s
FCE data sampling rate1 to 16 Hz adjustable in 2ⁿ Hz (n = 0 to 4)
FCE sample air flow rate1 to 5 l/min
DMA sheath air flow rate3 to 20 l/min
Standards and certificatesISO 27891:2015ISO 15900:2020
Operation and displayLCD display, status LEDs, keypad for direct configuration on the instrument, GRIMM Nano software 5477 for comprehensive instrument control and data analysis
ConnectivityRS-232 data interface, analog input for optional GRIMM T/p/RH sensor
Power requirements240 VAC ± 10% VAC; 50 Hz; *max. 100 W
Operating conditionsAmbient temperature: 0 to 40 °C (32 to 104 °F)Ambient humidity: 0 to 95 % RH, non-condensingAbsolute pressure range: 600 to 1,100 mbar
Transport and storage0 to + 50 °C (32 to 122 °F), RH < 95%
System componentsGRIMM DMAC 5706GRIMM FCE 5705 GRIMM Aerosol Neutralizer (optional)GRIMM DMA 55-S, -M, -L or –U (convertible)
Dimensions (h x w x d)GRIMM DMAC 5706: 31 x 25.5 x 22 cm (12.2 x 10 x 8.7″)GRIMM FCE 5705: 19 x 9 x 9 cm (7.5 x 3.5 x 3.5″)GRIMM DMA 55-S/M/L: 16.1/23.4/47.8 x 14 x 15.6 cm (6.3/9.2/18.8 x 5.5 x 6.1″)
WeightGRIMM DMAC 5706: 12.2 kg (26.9 lbs)GRIMM FCE 5705: 2.0 kg (4.4 lbs)GRIMM DMA 55-S/M/L: 5.6/5.7/7.9 kg (12.2/12.6/17.3 lbs)

* A voltage converter is provided for different line voltages and frequencies.

  • Optional
5523-NI: Ni-63 (95 MBq) aerosol neutralizer
5524-X: Soft X-ray (< 11 keV) aerosol neutralizer
5525-X: Soft X-ray (< 4.99 keV) aerosol neutralizer
5522-A: Am-241 (3.7 MBq) aerosol neutralizer
5540: Sheath air dryer and activated charcoal adsorber
7917: Emission Sampling System (ESS)

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