The DIL 550 Dilution System serves for the defined and reproducible reduction of particle concentrations in aerosols.
Standards
VDI 3491-15
VDI 3491-6
VDI 2083
ISO 14644-3
The main application of the DIL 550 dilution system is the verification of test aerosols for testing clean rooms. DIN EN ISO 14644-3 defines the necessity of appropriate dilution systems when using test aerosols for verification. In the applied principle that corresponds to the standard VDI 3491-15, particles are removed from the sample aerosol according to the specified dilution ratio. The particle size distribution remains unchanged.
Benefits
- constant and reproducible aerosol dilution even under changing operation conditions
- internal monitoring of the dilution ratio and visualisation
- suitable for mobile operation (compressed air supply is not required)
- long-term lifetime, minimum maintainance required
- precice operation for both overpressure and underpressure
- flow rate and dilution factor adjustable for customer requirements
Applications
- validation of laminar air flow boxes/benches and clean room/environments
- evaluation of filtration separation efficiency
- analysis of highly concentrated aerosols
- aerosol research
| Parameter title | Unit | Value |
|---|---|---|
| purpose of conditioning | - | dilution of aerosols |
| sample condition, outlet | - | diluted aerosol |
| dilution factor | - | 100 |
| aerosol, volumetric flow rate | L/min | 28,3 |
| setting method | - | manual |
| sample condition, inlet | - | non-diluted aerosol |
| power supply | - | 12 V DC, 30 mA |
| hose connector | mm | Ø 8 (optional Ø 10) |
| pressure drop | kPa | 0,8 ... 1,3 |
| environmental condition, temperature | °C | 10 ... 50 |
| environmental condition, max. counterpressure | kPa | ± 35 |
| dimensions (w × h × d) | mm | 300 × 160 × 110 |
| weight | kg | 1,5 |
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