19 1800296 C
Thermal Aerosol Generator
Overview
How the Generator Operates
The ATI 5C Thermal Aerosol Generator operates on a condensation
principal. The liquid aerosol reagent is vaporized upon entering the
heater block assembly. Vaporization occurs in the presence of an
inert gas. After vaporization, the vapor is expelled from the heater
block and allowed to rapidly cool to ambient temperatures.
The vapor condensation (also referred to as quenching) occurs
immediately at the 5C output collar before sufficient ambient
atmosphere is present to enable combustion. This quenching
requirement, inherent in thermal condensation generators, makes an
air-gap necessary between the aerosol output and the system the
aerosol is entering for testing. The 5C has built-in air quenching
holes behind the output collar that should never be closed off or
covered by introduction ports.
Note
The 5C Thermal Aerosol Generator is not intended for above-
ambient pressure systems.
Generator Part Numbers
The ATI 5C Generator is available with 115V or 230V configurations
and is set up for either PAO-4 (including DOS, Ondina EL and
mineral oil) or DOP liquid aerosol reagent. Each variant has a
unique part number.
9300207 115V PAO-4, DOS, Ondina EL or
Mineral Oil
9300208 230V PAO-4, DOS, Ondina EL or
Mineral Oil
9300213 115V DOP only
9300214 230V DOP only
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