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LDD 10

Dilution system for large droplets up to 10 μm


     Defined dilution of large droplets of factor 10
     Proven dilution factor 10 and 100 for droplet sizes up to 7 μm
     Easy connection with Promo® and welas® digital aerosol spectrometers
     Internal pump for on-site operation
     Insensitive to pressure fluctuations of ± 200 mbar
     Simple handling
     Robust, durable, low maintenance
     Cost effective

Description

The dilution of large droplets is particularly important when measuring highly concentrated droplet aerosols. Since large droplets are difficult to dilute, standard systems only work up to a size of 1 – 2 μm The newly developed dilution system LDD 10 (dilution factor 10) is the first system to dilute almost loss-free large droplets up to 10 μm

The good dilution factor of large droplets was tested with monodisperse DEHS droplets (oil) of different sizes. The results for the sizes 5 μm and 7 μm are shown in Table 1.

Chart 1: Dilution of monodisperse DEHS droplets with LDD 10

Datasheet

Benefits


     Defined dilution of large droplets of factor 10
     Proven dilution factor 10 and 100 for droplet sizes up to 7 μm
     Easy connection with Promo® and welas® digital aerosol spectrometers
     Internal pump for on-site operation
     Insensitive to pressure fluctuations of ± 200 mbar
     Simple handling
     Robust, durable, low maintenance
     Cost effective

Applications


     Measurement of blow-by aerosols according to ISO 17536
     Dilution of compressed air
     Measurement of cooling lubricant aerosols