Cleanroom Testing and Validation Instruments

HEPA Scan Probe

An ergonomic isokinetic sampling probe for scanning HEPA filter media, frames and seals while displaying live photometer response at the operator's hand.

Isokinetic inlet for systematic HEPA face scanning.
Live response and controls at the operator's hand.
Flexible ergonomic design for overhead filter work.

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Product Introduction

This HEPA scan probe combines a shaped isokinetic inlet, flexible neck, sample hose and photometer control interface in a balanced handheld assembly. It lets the operator maintain the correct inlet orientation and scanning distance while viewing penetration response directly at the filter face. Remote valve and alarm controls reduce trips back to the base photometer during systematic media, frame and gasket scans.

Key Features

Rectangular isokinetic inlet supports consistent sampling across the filter face.

Flexible neck allows comfortable nozzle alignment near ceilings and corners.

Handheld display keeps live penetration and alarm status in the operator's sightline.

Remote sampling controls streamline upstream, downstream and clear-air selection.

Secure hose and electrical connections maintain continuity during overlapping scan strokes.

Ergonomic grip reduces fatigue during large filter-bank inspections.

Customer Product Concerns

Effective filter scanning depends on stable inlet geometry, overlapping probe motion and continuous visibility of the photometer response.

Tilting the inlet during a scan can affect local sampling response.A shaped isokinetic nozzle and flexible neck make it easier to keep the inlet parallel to the filter face.

Looking away at a remote base unit can interrupt overlapping scan strokes.An integrated display and alarm indication keep essential response information at the probe.

Long overhead scans can cause wrist and shoulder fatigue.A balanced grip, lightweight neck and accessible controls support one-handed movement.

Loose hose or signal connections can invalidate a scan sequence.Positive-lock sample and electrical couplings resist movement during repeated passes.

Typical Applications

Manual scanning of installed HEPA and ULPA filtersFilter frame and gasket leak localizationCleanroom ceiling filter qualificationBiological safety cabinet certificationScanning difficult overhead and corner locations

Technical Parameters

Typical construction values for handheld scan probes are listed below; inlet geometry, neck length and interface features can be selected for the photometer and filter layout.

Core Material	Molded engineering-polymer handle, stainless sampling tube, flexible neck and isokinetic inlet nozzle
Panel Thickness	Typically 2.0-3.5 mm for the molded handheld housing
Effective Width	Approximately 90-160 mm across the sampling inlet according to nozzle selection
Maximum Length	Approximately 450-750 mm including flexible neck and inlet nozzle
Steel Facing Thickness	Typically 0.8-1.5 mm for stainless sampling tube and nozzle components
Core Density	Approximately 7800-8000 kg/m³ for stainless sampling components
Thermal Conductivity	Approximately 14-17 W/(m·K) for stainless sampling components
Surface Finish	Dark antistatic molded grip with satin stainless tube and blue rectangular inlet nozzle
Joint Type	Quick-connect aerosol hose fitting with locking circular electrical connector and interchangeable nozzle coupling
Customization	Available based on the intended application and operating environment.

Available Options

Rectangular and round isokinetic nozzlesStandard or extended flexible neckColor touchscreen or compact indicatorDifferent umbilical lengthsLeft- and right-handed L-probe adaptersProtective carrying case

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