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Reinraum-Test - und Validierungsinstrumente

Luftfilter Testbank

A modular airflow test bench for measuring fractional efficiency, pressure drop and dust-loading behavior of filter media and compact air-filter elements.

Fractional efficiency, resistance and loading in one bench.
Modular challenge aerosols for varied filter programs.
Controlled airflow with synchronized test records.

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Produkteinführung

This air filter test bench conditions a controlled test airflow, introduces a selected dust, salt or liquid aerosol and measures upstream and downstream particle concentration around a sealed specimen holder. Integrated flow, differential-pressure, temperature and humidity channels preserve the operating context for each result. Its modular generator, dilution and detector sections support development trials as well as repeatable production quality checks.

Key Features

Variable airflow control establishes repeatable face velocity across the specimen.

Interchangeable aerosol modules support dust, salt and oil challenge media.

Upstream and downstream sampling enables size-resolved efficiency calculation.

Differential-pressure measurement tracks initial resistance and loading response.

Quick-change specimen holder shortens setup between media samples.

Automated sequences record environmental and operating conditions with results.

Kunden Produktbedenken

Reliable media comparison requires a sealed active area, equivalent sampling paths and stable airflow throughout both clean and loaded test stages.

Air leakage around a small media sample can overstate penetration.A quick-clamp gasketed holder seals the active test area and separates it from bypass flow.

Different aerosol types require lengthy test-duct reconfiguration.Modular generator and conditioning connections allow controlled changeover between dust, salt and liquid challenges.

Particle losses in long sample lines can bias size-resolved efficiency.Short symmetric upstream and downstream paths minimize transport differences between measurement locations.

Loading results are difficult to reproduce without environmental context.Flow, pressure, temperature and humidity channels are logged throughout the programmed sequence.

Typische Anwendungen

Flat filter-media developmentCompact filter element quality controlFractional filtration-efficiency testingPressure-drop and dust-loading studiesGeneral ventilation and cabin-filter research

Technische Parameter

The following values represent common modular bench construction; active area, airflow, detector range and conditioning modules are selected for the test method.

Core Material	Powder-coated steel frame, stainless test duct, gasketed specimen holder, aerosol generation and particle measurement modules
Panel Dicke	Typically 1.5-3.0 mm for duct and enclosure panels
Effektive Breite	Approximately 500-900 mm for the modular bench section
Maximale Länge	Approximately 1800-3500 mm according to conditioning and detector modules
Stahl facing Dicke	Typically 1.2-2.0 mm steel or stainless-steel facing
Kerndichte	Approximately 7850-8000 kg/m³ for structural steel and stainless components
Thermische Leitfähigkeit	Approximately 14-50 W/(m·K) according to the selected steel component
Oberfläche Finish	Light-gray powder coating with brushed stainless flow surfaces and dark instrument bezels
Gemeinsamer Typ	Gasketed modular duct flanges, quick-clamp specimen holder and sealed sampling ports
Customisierung	Verfügbar je nach beabsichtigter Anwendung und Betriebsumgebung.

Verfügbare Optionen

Dust, salt and liquid aerosol generatorsSingle or dual particle spectrometersTemperature and humidity conditioningExpanded differential-pressure rangesMultiple specimen-holder areasAutomated loading and reporting software

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