LDD 100

Defined dilution system for large droplets up to 10 μm


LDD 100: Verdünnungssystem, Tröpfchenaerosole

LDD 100

Defined dilution system for large droplets up to 10 μm

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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.

Tabelle 1 LDD 100.png

Chart 1: Dilution of monodisperse DEHS droplets with LDD 100

Abbildung LDD 100.png

Fig. 1: Distribution of LDD 100 (7 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



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


Brief Description
Brief product description in two-pages as PDF
Product Description
Detailed product description as PDF


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