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TDA-5B Aerosol Generator
Description
The TDA-5B Aerosol Generator has been designed to provide
operator convenience and improved performance. The TDA-5B
is ideal for certifying or testing HEPA filters or installations
with air flows from 1,500 to 65,000 cfm. It requires an inert
gas source and 120/240 volts @ 750 watts electrical service.
TDA-5B Features
The TDA-5B has all of the controls and displays grouped
on the front panel away from the aerosol generator output
nozzle. The unit has a large aerosol liquid capacity for operation
up to 4 hours at full output without refilling. In addition,
its digital temperature control allows the operator to set
the unit for optimum conditions for the specific aerosol agent
being used.
The TDA-5B produces an aerosol of consistent particle size
distribution which is created by discharging a regulated quantity
of aerosolized liquid onto a large heated area. The liquid
is vaporized and reconstituted into a polydispersed aerosol
by a small amount of nitrogen delivered at approximately five
pounds of pressure. The efficiency at which the aerosol is
produced enables the TDA-5B Generator, when used in conjunction
with an Analog or Digital photometer, to provide enough aerosol
to leak test filtration systems from 1,500 to 65,0000 cfm.
Systems of more than 6,500 cfm may be tested for leaks at
less than 100 micrograms per liter if the sensitivity of the
photometer is increased.
TDA-5B Specifications
Aerosol Output Range: 1,500-65,000 cfm
Aerosol Concentration 100 ug/1@*: 6,500 cfm
Aerosol Concentration 10 ug/1@*: 65,000 cfm
Generator Type: Vapor Condensation
Compressed Air: Not Required
Compressed Gas: Nitrogen, Argon, Carbon Dioxide or Helium
(* 20 cfh @ 50 psi)
Aerosol Type: Polydispersed (Cold)
Size: 14" L × 10" W × 10" H
(35cm L × 25cm W × 25cm H)
Weight-Pounds (lbs): 20 lbs.
Weight-Kilograms (kg): 9.1 kg
Electrical: 110 VAC / 60 Hz or 220 VAC / 50hz
*For high volume output, more uniform particle size, and
safety, the liquid is aerosolized, superheated to vapor then
recondensed by ambient air into a cold poly-dispersed aerosol.
The propellant must be an inert gas since the liquid vapor
temperature is above the liquid flashpoint.
Please note:
ATI does not
recommend the TDA-5B for certification of Biological Safety
Cabinets (BSC's). Normal BSC flowrates are below the
range at which a TDA-5B is capable of providing a consistent
and stable aerosol output. In addition, current certification
standards neither allow nor recommend the use of the TDA-5B
Aerosol Generator for certification because of the particle
size produced. NSF/ANSI 49-2002,
Annex F, specifically calls out for the use of a Laskin nozzle
generator or equivalent during certification.
A TDA-5B generator is not considered a Laskin nozzle equivalent
aerosol generator.
Applications
- Clean Rooms
- HEPA Vacuum Cleaners
- HVAC Systems
- HEPA Filters
- ULPA Filters
- Negative Pressure Filtration Units
- Surgical Suites
- Nuclear Filter Banks
- Collective Protection Filters
- Research and Development
Industries
- Pharmaceutical
- Food Processing
- Veterinary Medicine
- Laboratories
- Asbestos Abatement
- Heavy Metal Processors
- Nuclear Power and Fuel
- Hospitals
- Chemical Processing
- Certifiers
- NBC Defense Agencies
- Governmental Labs
- Filter Manufacturers
- Micro Electronic
- Electronic
- Biotechnology
- Micromechanics
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