TESTO REXS Reproducible EXhaust Simulator (Soot Generator)
Aerosol: Soot nano-particles produced in the combustion process
Particle mass produced: From 1.5 g/h at 80 nm particle diameter to 2.5 g/h at 110 nm.
Number concentration of particles: 107–108 particles/cm3
Particle size:
- Monomodal logarithmic distribution with a standard deviation of approx. 1.5 to 1.7 for particle sizes between 30 to 60 nm
- Monomodal distribution with a standard deviation of approx. 1.8 to 1.9 for particle sizes between 60 to 120 nm
Output flow testo aerosol: 300 to 700 IN/min at different particle diameters, approx. 150 IN/min in standby mode
Counter-pressure: Up to 500 mbar over atmospheric pressure
Morphology: Similar to diesel soot
Calibration: Gravimetric analysis of aerosol filter samples SMPS size distribution analysis
Gas supply specifications:
• C3H8 (propane), purity 99.95 % (Class 35), up to 2 lN/min at 5 bar
• N2 (nitrogen), purity 99.999 % (Class 50), up to 2 lN/min at 5 bar
• Compressed air, dry (< 2% rel. humidity at +23 °C, dewpoint ca. -28 °C)
Installation:
• Mobile 19" rack
• Lockable casters
• Holding brackets for 3 compressed air cylinders (10 litres each)
• Aerosol output position adjustable
• Notebook and accessory compartments
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