Cold aerosol generator in three-quarter front view on a white background

Instrumentos de ensaio e validação de sala limpa

Gerador de aerosol frio

A portable Laskin-nozzle generator that atomizes compatible test liquid without heat to provide a stable polydisperse challenge aerosol for in-situ filter integrity testing.

Repeatable cold aerosol without a heating cycle.
Selectable Laskin nozzles for adaptable challenge output.
Portable stainless construction for field validation.

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Introdução do produto

This cold aerosol generator uses regulated compressed air and immersed Laskin nozzles to entrain test liquid and create a repeatable submicron aerosol without a heating cycle. Selectable nozzle operation lets technicians match aerosol output to smaller cabinets or larger air-handling systems. A sealed liquid reservoir, pressure indication and serviceable stainless outlet path make the instrument practical for cleanroom qualification and routine HEPA or ULPA leak testing.

Características-chave

Cold atomization avoids thermal decomposition of compatible aerosol liquids.

Selectable Laskin nozzles provide stepped output for different system airflows.

Regulated pressure indication helps reproduce operating conditions between tests.

Internal baffles reduce the carryover of oversized liquid droplets.

Sealed reservoir and drain connection simplify filling, recovery and transport.

Portable corrosion-resistant enclosure supports field certification work.

Preocupações do produto do cliente

Reliable cold aerosol testing depends on controlled air pressure, appropriate droplet separation and enough output flexibility for different filter-system airflows.

A fixed aerosol output may be excessive for a small cabinet and insufficient for a large plenum.Independently selectable nozzles provide practical output steps that can be matched to system airflow.

Changing compressed-air pressure can make challenge concentration difficult to reproduce.A regulator and clearly visible pressure gauge establish a repeatable nozzle operating point.

Large liquid droplets can contaminate ductwork or destabilize the photometer reading.Immersed nozzles and an internal impingement baffle retain coarse droplets in the reservoir.

Residual test liquid may leak during movement between validation locations.A sealed fill cap, level guidance and drainable reservoir support controlled filling and transport.

Aplicações típicas

In-situ HEPA and ULPA filter leak testingCertificação do Gabinete de Segurança BiológicaCleanroom ceiling module qualificationNegative-pressure filtration unit testingUpstream challenge generation for aerosol photometers

Parâmetros técnicos

The following values describe common portable Laskin-nozzle construction; nozzle quantity, dimensions and air requirements can be configured for the intended test range.

Material principal	Stainless-steel liquid reservoir with immersed Laskin nozzles, internal baffle and regulated compressed-air manifold
Painel de espessura	Typically 1.0-1.5 mm for the protective stainless enclosure
Largura efetiva	Approximately 220-380 mm according to nozzle count and compressor configuration
Comprimento máximo	Approximately 300-520 mm including outlet, controls and carrying handle
Aço enfrentando espessura	Typically 1.0-1.5 mm stainless steel
Densidade Core	Approximately 7900-8000 kg/m³ for the stainless reservoir and nozzle assembly
Condutividade térmica	Approximately 14-17 W/(m·K) for the stainless-steel liquid vessel
Superfície acabado	Fine-brushed stainless steel with black pressure controls, elastomer feet and sealed labels
Tipo conjunto	Threaded fill cap, regulated compressed-air inlet and clamp-compatible aerosol outlet
Customização	Disponível com base na aplicação pretendida e no ambiente operacional.

Opções disponíveis

One, two, four or six-nozzle configurationsIntegrated compressor or external compressed-air supplyPAO, DEHS or other compatible test-liquid setupFlexible aerosol delivery hosePositive-pressure injection accessoryProtective transport case

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