DIL 544 Mobile Dilution System
Self-adjusting mobile 1:100 dilution system for 28.3 L/min cleanroom particle counters, with battery operation, stainless-steel housing and automatic flow adaptation.
Model Overview
| Model | Configuration | Primary use | Selection note |
|---|---|---|---|
| DIL 544 | 1:100; 28.3 L/min | Self-adjusting mobile 1:100 dilution system for 28 | Select DIL 544 for automatic, battery-powered 1:100 dilution with a 28.3 L/min cleanroom particle counter. |
Key Features
Automatic mobile dilution
Automatically adapts the dilution flow to the connected cleanroom particle counter at 28.3 L/min.
Compact battery-powered design
Designed for mobile cleanroom work with a 9 V battery supply and low transport weight.
Compatible with cleanroom particle counters
Connects directly to the particle counter so the instrument generates the required sample flow.
Stable long-duration dilution
Provides a defined 1:100 reduction during extended field measurements.
Disinfectable stainless-steel housing
Supports cleaning and disinfection requirements in controlled environments.
Low pressure drop
Published pressure drop is approximately 0.6 kPa for integration with compatible particle counters.
Technical Specifications
| Parameter | Unit | Value / Description |
|---|---|---|
| DILUTION PERFORMANCE | ||
| Purpose | — | Dilution of aerosols |
| Dilution factor | — | 100 |
| Aerosol volumetric flow rate | L/min | 28.3 |
| Setting method | — | Automatic |
| Inlet condition | — | Non-diluted aerosol |
| Outlet condition | — | Diluted aerosol |
| CONNECTIONS & OPERATING CONDITIONS | ||
| Power supply | — | 9 V battery block |
| Hose connector | mm | Ø 10 |
| Pressure drop | kPa | Approximately 0.6 |
| Environmental temperature | °C | 10–50 |
| Maximum counterpressure | kPa | ±30 |
| PHYSICAL | ||
| Dimensions (W × H × D) | mm | 120 × 195 × 280 |
| Weight | kg | 2.8 |
Specifications follow the current Topas GmbH product information reviewed for this page. Confirm the final configuration, accessories and calibration documentation at quotation stage.
Applications
Filter-leak testing
Conditions high upstream challenge-aerosol concentrations before cleanroom particle counting during installed-filter leak testing.
Cleanroom technical-facility validation
Supports verification of cleanrooms, laminar-flow boxes, work benches and related clean-air systems.
Operating-room and ventilation checks
Supports aerosol measurements in healthcare ventilation and clean-air installations when the selected method requires concentration reduction.
Filtration-efficiency evaluation
Extends the concentration range of downstream particle counters for filter-separation measurements.
Highly concentrated aerosol measurement
Reduces particle concentration while preserving the aerosol size distribution for downstream analysis.
Mobile aerosol research
Provides a portable dilution stage for field and laboratory aerosol investigations.
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