MODEL 5520-19" ADBD

19" NEUTRALIZER FOR RACK INSTALLATIONS

The 19" version of the annular dielectric barrier discharge 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.

Overview

  • non-radioactive source
  • no transport / storing restrictions
  • low maintenance
  • easy to operate and safe
  • compatible with GRIMM SMPS+C systems

Applications

  • neutralizer for aerosol sizing with SMPS systems
  • neutralizer for particle generators
  • fundamental aerosol research
  • investigation of particle charging

TECHNICAL DATA

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)

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