Aerosol photometer in three-quarter front view on a white background

Instruments d'essai et de validation de salle blanche

Photomètre aérosol

A portable forward-light-scattering photometer for measuring aerosol concentration and locating penetration across installed HEPA and ULPA filtration systems.

Real-time aerosol penetration measurement for filter scans.
Controlled sample flow with automatic zeroing.
Portable interface for cleanroom validation teams.

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Introduction de produit

This aerosol photometer draws a controlled sample through a light-scattering chamber and reports challenge concentration or filter penetration in real time. Dedicated upstream, downstream and clear-flow connections support the complete integrity-test sequence, while a color interface presents the baseline, alarm threshold and live scan response. The rugged portable enclosure accommodates field validation work in cleanrooms, laboratories and containment facilities.

Key Features

Forward light scattering provides continuous response across filter scan locations.

Automatic zero and upstream normalization reduce setup steps before scanning.

Regulated sample flow supports repeatable probe response and leak localization.

Selectable audible and visual alarms alert the operator at the chosen threshold.

Dedicated upstream, downstream and clear ports organize the sampling sequence.

Portable enclosure and probe interface support room-to-room validation work.

Préoccupations du client produit

A dependable integrity scan requires stable sample flow, a clean zero reference and immediate indication of localized aerosol penetration.

Unstable sample flow can change response while the probe crosses the filter face.Closed-loop flow regulation maintains a defined sampling rate through the optical chamber.

Residual aerosol can delay zeroing between upstream and downstream measurements.A dedicated clear-air path purges the sample train and establishes the zero baseline.

Small penetration peaks may be missed during a long manual scan.A configurable alarm and peak indication draw attention to threshold excursions in real time.

Incorrect reagent response can bias concentration readings.Selectable response settings accommodate common PAO, DEHS, DOP and paraffin challenge liquids.

Les applications typiques

Installed HEPA and ULPA filter integrity testingCleanroom and pharmaceutical HVAC qualificationCertification du cabinet de sécurité biologique parContainment and nuclear ventilation filter testingLeak localization around filter media, frames and seals

Paramètres techniques

Common construction values for portable aerosol photometers are summarized below; optical range, flow control and data features vary with the selected configuration.

Matériaux de base	Forward-scattering optical chamber, regulated sampling pump, reference filtration path and digital control electronics
Panneau épaisseur	Typically 1.0-2.0 mm for the protective enclosure panels
Largeur effective	Approximately 240-320 mm depending on display and valve configuration
Longueur maximale	Approximately 320-420 mm including sampling fittings and protective handle
Acier face épaisseur	Typiquement 1,0 - 1,5 mm revêtement en acier inoxydable ou en poudre par
Densité Core	Approximately 7900-8000 kg/m³ for stainless sample-path and enclosure components
Conductivité thermique	Environ 14 - 17 W / (m · K) pour les composants de chemin d'échantillonnage inoxydable
surface finie	Light-gray powder-coated enclosure with dark bezel, color display and stainless sampling fittings
Type joint	Barbed or quick-connect upstream, downstream and clear sampling ports with locking probe connector
Customisation	Disponible en fonction de l'application prévue et de l'environnement d'exploitation.

Options disponibles

Handheld isokinetic scanning probeProbe-mounted display and controlsSealed sample trainBattery or universal AC powerUSB data export and optional printerProtective transport case

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