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LDD 100

Defined dilution system for large droplets up to 10 μm

    Defined dilution of large droplets of factor 100
    Proven dilution factor 100 for droplet sizes up to 7 μm
    Easy connection with Promo® and welas® digital aerosol spectrometers
    Internal pump for autonomous operations
    Resistant 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 100 (dilution factor 100) 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 100

Fig. 1: Distribution of LDD 100 (7 μm)

Datasheet

Benefits

    Defined dilution of large droplets of factor 100
    Proven dilution factor 100 for droplet sizes up to 7 μm
    Easy connection with Promo® and welas® digital aerosol spectrometers
    Internal pump for autonomous operations
    Resistant 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