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GRIMM 5522-A
241Am aerosol neutralizer

This aerosol neutralizer works based on the radioactive decay of 241Am (nominal activity 3.7 MBq). It is optimized for direct connection to GRIMM DMAs and compatible with GRIMM SMPS+C and SMPS+E systems. 

Functionality: Aerosol neutralizer based on 241Am

  • 241Am α radioactive source
  • Nominal activity 3.7 MBq
  • Maximum energy 5.6 MeV
  • Half-life 433 y
  • Aerosol flow rate up to 5 l/min
  • Stainless steel housing
  • Optimized to be directly connected to GRIMM DMAs
  • Compatible with GRIMM SMPS+C and SMPS+E systems
  • Low maintenance
  • Easy to operate and safe
  • Best suited for various applications
  • Aerosol neutralizer for SMPS systems
  • Neutralizer for particle generators
  • Fundamental aerosol research
  • Investigation of particle charging
  • Technical data
Source type241Am sealed radioactive source; covered with gold layer
Ion generation method: Alpha (α) radiation, maximum energy 5.6 MeV
Nominal activity3.7 MBq
Half-life433 y
Aerosol flow rateUp to 5 l/min
Aerosol mediumAir or N2
HousingStainless steel
Dimensions (H x W x D)4 x 5.5 x 5 cm (1.6 x 2.2 x 2 in)
Weight0.55 kg (1.2 lbs)