Product Filter
Indoor WRAS
Indoor wide-range aerosol spectrometer
For high resolution particle measurements in laboratories covering a particle size range of 5 nm … 35 μm. Combines two technologies: SMPS+C for nanoparticles and the portable optical aerosol spectrometer 11-D for dust particles.
Functionality: Combination of mobility particle size spectrometer and optical aerosol spectrometer
Features
- Real-time monitoring of the entire particle size range
- High precision with CPC and OPC at low and high concentrations
- Excellent counting statistics and reproducibility
- Low diffusion losses
- Self-test of all optical and pneumatic components for high quality standards
- Instrument parameters secured against data loss
Benefits
- Laboratory desktop setup
- Fast and easy change of particle size ranges with different DMAs
- Various DMAs available
- Customizing possible
Applications
- Monitoring of ultrafine particles and dust
- Aerosol science
- Workplace monitoring
Technical Data
- SMPS+C
- Optical aerosol spectrometer
| Measurement principle | Electrostatic classification with subsequent detection by condensational growth |
|---|---|
| Particle size range | Selectable:M – DMA: 5 … 350 nmL – DMA: 10 … 1,094 nm |
| Particle size resolution | Stepping mode: 45 - 255 channelsScanning mode: 64 channels per decadeLogarithmic spacing |
| Minimum scan time | 150 s |
| Max. concentration single count mode | 150,000 particles/cm3 |
| Max. concentration photometric mode | 107 particles/cm3 |
| Reproducibility | > 95% for single count mode > 90% for photometric mode |
| Working fluid | n-butanol (n-butyl alcohol) |
| Measurement principle | Light scattering at single particlesDetection volume aerodynamically focused, no border zone error |
|---|---|
| Particle size range | 0.253 … 35.15 μm |
| Number of size channels | 31, logarithmic equidistant |
| Concentration range | 1 … 3,000,000 particles/l |
| Reproducibility | > 97% for single count mode |
| Sample air flow rate | SMPS+C: 0.3 l/minCPCFlow control with critical orifice, temperature stabilized |
| Sample air flow rate | 11-D: 1.2 l/minAerosol spectrometer±3% constant due to self-regulation |
| Operation | Wide range aerosol spectrometer software 5478 for online data presentation |
| Interfaces | RS-232, USB, Ethernet, Bluetooth |
| Power supply | SMPS+C: 85 … 264 VAC, 47 … 440 Hz |
| Optical aerosol spectrometer | 100 … 240 VAC, 47 … 60 Hz, out: 13 VDC530 … 1,100 mbarFlow rate automatically adjustable to pressure |
| Temperature range | 10 … +35 °C (50 … 95 °F)RH < 95% |
| Pressure range | SMPS+C: 600 … 1,100 mbar |