Condensation Aerosol Generator SLG 270 for generation of monodisperse aerosols, particle size and particle concentration adjustable
Made in Germany. brand TOPAS, model SLG 270
International delivery to United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain, Oman and other Middle Eastern countries.
Our warehouses are located in UAE.
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The Condensation Aerosol Generator SLG 270 produces monodisperse aerosols with definined properties in a wide range of particle size and number concentration as well.
The aerosol generation principle is based on the controlled heterogeneous condensation acc. to Sinclair-LaMer mentioned in the directive VDI 3491-4. Depending on the choice of the particle material either droplet or solid state aerosols can be generated.
The patented innovative concept in combination with state of the art control instruments and regulators guarantees quick and reproducible adjustment of both particle size and concentration. Both parameters of the outlet aerosol can be continuously monitored by means of the Process Aerosol Monitor PAM 510.
The HEPA-filter ensures cleanness of the carrier gas (nitrogen). In the atomizer a NaCl-solution is sprayed. Downstream the atomizer a diffusion dryer removes the water from the droplets to produce small crystals. The salt crystals concentration for the heterogeneous condensation is about 1E6 … 1E7 per cm³. By means of the screen-bypass downstream to the diffusion dryer the nuclei concentration can be adjusted.The size of the aerosol particles to be produced is mainly determined by the quantity of available vapour per nucleus. The vapour concentration can be adjusted by two parameters:
– Saturation of the nuclei aerosol at definite temperature
– Dilution of the saturated nuclei aerosol with not saturated nuclei aerosol by means of a saturator bypass
The saturation of the nuclei aerosol takes place in the saturator. The aerosol bubbles through the aerosol material which is held at constant temperature. Depending on the temperature and the material specific vapour pressure a definite saturation concentration of vapour is achieved in the bubbles. The bypass permits the more rapid adjustment of particle size by dilution, rather than by saturator heating or cooling. In the condensation chimney the superheated vapour-nuclei mixture is cooled down causing the vapour to condense onto the nuclei. For particularly high demands on the monodispersity only the core flow in the condensation chimney is exhausted.
The SLG 270 is also equipped with a screen unit for the defined salt core reduction (screen), which allows the generation of larger particles.
BENEFITS
APPLICATIONS
| Parameter title | Unit | Value |
|---|---|---|
| setting parameter 1, 2 | l/h | saturator and screen flow rate |
| setting parameter 2 | °C | saturator and reheater temperature |
| setting range 1, 2 | l/h | 0 … 250 (saturator and reheater flow rate) |
| setting range 3,4 | °C | ≤ 400 (saturator temperature und reheater temperature) |
| setting resolution | l/h | continously adjustable (saturator and screen flow rate) |
| setting resolution | °C | 1 (saturator and reheater temperature) |
| aerosol, volumetric flow rate | L/h | 200 … 270 |
| aerosol, mass flow rate (aerosol substance) | g/h | ≤ 7,3 |
| aerosol, particle size range | µm | 0,1 … 8 (DEHS) |
| aerosol, particle size range | µm | 0,1 … 5 (Carnauba wax) |
| aerosol, particle size range | µm | 0,1 … 12 (stearic acid) |
| aerosol, distribution width (geometric standard deviation) | – | < 1,15 |
| operating medium, gas/air | – | compressed air, nitrogen |
| operating medium, gas/air – compressed air supply | l/h | 270 (6 bar) |
| operating medium, aerosol substance 1 | – | sodium chloride solution (for condensation core aerosol production) |
| operating medium, aerosol substance 1 – filling volume | mL | 20 … 60 |
| operating medium, aerosol substance 2 | – | DEHS, Carnauba wax, stearic acid, Emery 3004, paraffine oil, … |
| operating medium, aerosol substance – filling volume | mL | ≤ 150 |
| power supply | – | 230 V AC, 50/60 Hz |
| environmental condition, max. counterpressure | kPa | 0,5 |
| environmental condition, temperature | °C | 0 … 50 |
| environmental condition, ambient pressure | kPa | 70 … 110 |
| environmental condition, relative humidity | % | 5 … 95 |
| dimensions (w × h × d) | mm | 250 × 550 × 300 |
| weight | kg | 19 |
ACCESSORIES
You can request the necessary certificates, documentation, instructions and user guide for TOPAS SLG 270 using the special form.
You can buy TOPAS SLG 270 in UAE at a favourable price in «Texair FZCO» by leaving a request on the website, by phone +441225535040 or by email ceo@texair.eu. TOPAS SLG 270 price are subject to change depending on exchange rates. We deliver instruments by transport companies in United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain and other Middle Eastern countries.
See also: Aerosol generators for clean room
