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  4. GRIMM 5540
Sheath air dryer and activated carbon filter 5540

GRIMM 5540
Sheath air dryer and activated carbon filter

For reduction of humidity in the sheath air flow. Dries and purifies the sheath air flow to ensure correct operation of a differential mobility analyzer. 

  • Aerosol drying with Silica Gel Orange*, color change from orange to white
  • Activated carbon for an effective reduction of VOC and other gaseous impurities 
  • Inlet and outlet with quick coupling (Festo), 8 mm for easy integration in experimental setups
  • Operation in any orientation


* The term "Silica Gel Orange" is a product name of the company Roth

  • Silica Gel Orange* beads allow easy handling
  • Simple regeneration in the dryer cabinet
  • Connection and maintenance possible without tools
  • Compatible with all GRIMM SMPS systems
  • Recommended for continuous measurements with the SMPS+C or SMPS+E system in high humidity environments
  • Technical data
Sheath air flow rate3 … 20 l/min
Dimensions Ø x h12.5 x 59 cm (4.9 x 23 in)
WeightApprox. 4.5 kg (9.9 lbs)

General information