The Quad Track Diffusion Dryer has a convenient port located on the barrel to add or remove the color indicating silica gel desiccant beads. It can also be used to check the color indicator status of the beads. Saturated color indicating silica gel desiccant beads may be recharged by heating them at approximately 120 °C for 1-2 hours
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The In-Line Mixer is an aerosol conditioning device that introduces clean, compressed air into the aerosol stream in a laminar manner. As air is added, it dilutes and gently mixes the aerosol. The aqueous fraction of the test article is driven into the vapor phase resulting in a dryer, more stable aerosol.
The In-Line Mixer is an excellent choice to use in conjunction with the Quad Track Diffusion Dryer to remove the vaporized aqueous fraction and reduce the relative humidity in the system.
The Radial Mixer is an aerosol conditioning device that introduces clean, compressed air into the aerosol stream in a rotating manner. The Radial Mixer provides more mixing action than the In-Line Mixer and it also produces a dry, stable aerosol by driving the aqueous fraction of the test article into the vapor phase. To avoid turbulent flow, the Radial Mixer should not be operated at a volumetric flow rare greater than approximately 10 L/min.
The Radial Mixer may also be used with the Quad Track Diffusion Dryer to further dry the aerosol and effectively reduce relative humidity in the system by removing the vaporized aqueous fraction of the test article.