Generators
Dust Dispersers
Dust Generators SAG 410
General-purpose dry powder disperser that may be used for a variety of applications in aerosol and powder science, industrial processes and quality assurance tasks.
The technique for the dispersion of dry dust and powders comprises two steps, the continuous supply of material to the disperser and thedispersal of the material as an aerosol.
Dust Disperser SAG 420
A device for generating stable aerosols with options for precise aerosol mass flow and mass dosing.
The SAG 420 can provide dosing ranges from 6 g/hr up to 12 kg/hr. Filling during operation is possible.
Dust Disperser SAG 440
Particularly suited for dosing dust containing a certain proportion of fibres with a constant and reproducible dosing rate over a wide concentration range.
It has been especially developed to meet the requirements as defined by the ASHRAE 52.2 and DIN EN 779. Filling during operation is possible.
TOPAS DGU 413
The Topas Dust Generator Unit (DGU 413) supports the safe generation of solid aerosols from bulk powder. The instrument is double-encapsulated, and works in conjuction with Topas' SAG 410 series of dispersion units (not included). This unique construction ensures user saftey by protecting the workplace from escaping aerosols.
Atomizers
Atomizer Aerosol Generator ATM 210, 210/H
This special model facilitates generation of aerosols into pressurised vessels up to 10 bar.
It produces aerosols with known properties in accordance with the guideline VDI 3491. The generated polydisperse aerosols are mainly below 1 µm with an excellent stable particle size distribution.Suitable liquids are e.g. DOP, Emery 3004, DEHS, salt soultions and it can be also used to disperse PSL reference materials.
Atomizer Aerosol Generator ATM 220, 221
An aerosol generator for producing a test aerosol with defined characteristics especially for qualitative tests of filters for suspended matter (HEPA and ULPA filters), function test at laminar flow boxes and acceptance measurement in clean rooms.
It produces aerosols with known properties in accordance with the guideline VDI 3491. The generated polydisperse aerosols are mainly in the size range 0.2 to 0.5 µm with a very high permanence of the particle size distribution and a defined and high particle number concentration.
A further range of application for aerosol generators is calibration of measuring devices and visualization of currents. That enables measurements of local velocities and flow profiles of the tracer particles by means of optical methods.
The Atomizers can also be used to disperse PSL reference materials and so to produce monodisperse particles.
Atomizer Aerosol Generator ATM 226
An aerosol generator for producing a test aerosol with defined characteristics especially for qualitative tests of filters for suspended matter (HEPA and ULPA filters), function test at laminar flow boxes and acceptance measurement in clean rooms.
Compared to Atomizer Aerosol Generator ATM 220 or ATM 225 this instrument features a compact stainless steel housing (easy-to-clean), a direct connection with mains supply and a higher mass output.
It produces aerosols with known properties in accordance with the guideline VDI 3491. The generated polydisperse aerosols are mainly in the size range 0.2 to 0.5 µm with a very high permanence of the particle size distribution and a defined and high particle number concentration.
Atomizer Aerosol Generator ATM 230
An instrument for generating tracer particles, testing HEPA and ULPA filters as well as clean room measurements and certification of laminar flow boxes.
It produces aerosols with known properties in accordance with the guideline VDI 3491. The generated polydisperse aerosols are mainly below 1 µm with an excellent constant particle size distribution and defined and high particle number concentration. Suitable liquids are e.g. DOP, Emery 3004, DEHS, salt soultions and it can be also used to disperse PSL reference materials.
Atomizer Aerosol Generator ATM 241
The generator is designed for generation of tracer particles, verifying measurements in very large clean rooms and for tests of HEPA and ULPA-filter media.
It produces aerosols with known properties in accordance with the guideline VDI 3491. The generated polydisperse aerosols are mainly below 1 µm with an excellent constant particle size distribution and defined and high particle number concentration.Suitable liquids are e.g. DOP, Emery 3004, DEHS, salt soultions and it can be also used to disperse PSL reference materials.
By varying of nozzle pressure, number of switched-on nozzles and the aerosol temperature (besides ATM 241) one can adjust both particle production rate and particle size distribution in a wide range.
Topas ATM 240/L
The Topas ATM 240/L generates a high concentration aerosol from a suspension of polystyrene (PSL) particles, and is used for testing filters in sensitive areas such as those found in the semiconductor and aerospace industries. The ATM 240/L has a particle production rate of up to 1.5 x 1011/min, scalable by suspension concentration and nozzle pressure.
Topas Aerosol Generator ATM 228
The aerosol generator ATM 228 contains a brushless compressor, which means no external compressed air supply is required for operation. Flow rate is controlled by a differential nozzle pressure control, allowing for a reproducible and stable generator operation, even at very low air flow rates and particle production rates. The ATM 228 produces aerosol from pure liquids, solutions and suspensions.
Topas Aerosol Generator ATM 222
The aerosol generator ATM 222 combines technical features from both the ATM 220 and the ATM 228 to create an instrument used for the long-term stable generation of test and calibration aerosols from pure liquids, solutions and suspensions. The propellant gas flow is controlled by the pressure drop over the nozzle. Aerosol generation is reproducible and stable, even at low air flow and particle production rates.
FCS 249 Field Calibration System
The FCS 249 is a mobile system for the defined generation of reference and test aerosols. It combines the functions of an aerosol generator, a regulated flow unit and a drying unit. As a result, particle concentrations covering a wide working range can be provided with this system. Setting parameters for various working points can be saved in the system and accessed by the push of a button. In particular, the FCS 249 is suitable for the validation of condensation particle counters (CPC) or electrical aerosol monitors, which are applied for the particle number concentration measurement in exhaust gases of vehicles.
VIPAS 300XL High-Output Large-Particle Aerosol Generator
The VIPAS 300XL produces a stable and high concentration of aerosol particles in the 0.1 to 10µm size range. It operates continuously on compressed air for up to three hours, requiring no mechanical pump. The VIPAS 300XL meets ASHRAE 52.2 and EN 779 requirements.
Monodisperse
Atomizer Aerosol Generator ATM 220, 221
An aerosol generator for producing a test aerosol with defined characteristics especially for qualitative tests of filters for suspended matter (HEPA and ULPA filters), function test at laminar flow boxes and acceptance measurement in clean rooms.
It produces aerosols with known properties in accordance with the guideline VDI 3491. The generated polydisperse aerosols are mainly in the size range 0.2 to 0.5 µm with a very high permanence of the particle size distribution and a defined and high particle number concentration.
A further range of application for aerosol generators is calibration of measuring devices and visualization of currents. That enables measurements of local velocities and flow profiles of the tracer particles by means of optical methods.
The Atomizers can also be used to disperse PSL reference materials and so to produce monodisperse particles.
Monodisperse Aerosol Generator SLG 270
The Topas SLG 270 produces mondisperse aerosols from 0.1µm to 12µm. It is equipped with a screen bypass which allows rapid particle size adjustment. For size and concentration monitoring of monodisperse aerosols, please refer to the SLG 270’s accessory – the PAM 510 Process Aerosol Monitor.
Oil Mist
Oil Mist Generator ATM 243
Special development for testing oil mist separators.
It generates polydisperse test aerosols with a mean particle size of 1 to 2 µm and with very stable particle size distributions and high concentrations. The device features the possibility to adjust the temperature of the generated aerosols and can be used on a variety of oils. Mass output adjustable via nozzle pressure and nozzle quantity.
LDG 244
The LDG 244 Large Droplet Generator is used in applications that require substantial amounts of oil. The LDG is suitable for simulating large bursts of oil and wall film via a single, heated nozzle. The instrument generates a test aerosol with a mean particle size of 50-100 µm and a mass flow within the range of 20-2000 g/h. It can be used in the following applications:
- Testing of oil mist separators
- Performing filter capacity tests
- Simulation of wall film and oil gush effects
- Research and development