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GRIMM - Model 5520-19 aDBD -Annular Dielectric Barrier Discharge Aerosol Neutralizer
The GRIMM 5520-19 aDBD aerosol neutralizer is based on an annular dielectric barrier discharge that produces a bipolar ionic atmosphere. Irregularly charged particles (from ambient or lab generated) are brought into a defined stationary-state charge distribution, regardless of their initial charging state. The 19” rack-mounted versions of the aDBD was developed as alternative to established aerosol chargers / neutralizers since it avoids the need to use radioactive radiation to produce molecular ions to bring aerosol particles into a defined charging state. Therefore, no special handling license is required for the GRIMM 5520-19 aDBD aerosol neutralizer and is in regular use for the GRIMM Environmental Wide Range Aerosol Spectrometer (WRAS) 665. As all GRIMM neutralizers, the aDBD 5520-19 is compatible with all GRIMM DMAs and GRIMM SMPS+C systems.
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- non-radioactive source
- no transport / storing restrictions
- low maintenance
- easy to operate and safe
- compatible with GRIMM SMPS+C systems
- neutralizer for aerosol sizing with SMPS systems
- neutralizer for particle generators
- fundamental aerosol research
- investigation of particle charging
- high voltage supply : 6 – 8 kV
- frequency : 20 kHz ±20%
- maximum particle concentration : > 104 p/cm³
- ion generation method : dielectric barrier discharge plasma
- aerosol flow rate : 0.3 L/min
- aerosol medium : air (not useable with Ar, N2 or corrosive gases)
- ambient temperature : 0 – 40°C (50 – 104°F)
- ambient humidity : 20 – 95% RH
- absolute pressure range : 700 – 1100 mbar
- power supply : 100-240 VAC, 50/60 Hz
- power consumption : 15 W
- dimensions (h x w x d) : 9 x 48.5 x 23 cm (3.5 x 19 x 9 in)
- weight : 3.20 kg (7 lbs)