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Cleanroom Testing and Validation Instruments
Handheld Particle Counter
A compact six-channel airborne particle counter for rapid cleanroom spot checks, troubleshooting and routine contamination monitoring at the point of use.
- Six particle channels in a handheld format.
- Controlled flow keeps sample volumes dependable.
- Location-tagged records retain measurement context.
Product Introduction
This handheld particle counter combines a laser light-scattering sensor, an internal sampling pump and an intuitive color display in a portable housing. It measures airborne particle number concentration across selectable size channels and stores time-stamped records for later review. The instrument is intended for practical cleanroom checks where operators need to move efficiently between rooms, workstations, pass-throughs and process tools without transporting a larger cart-mounted unit.
Key Features
Closed-loop flow control helps maintain stable sampling when filter loading or inlet conditions vary.
Onboard storage keeps location, time, channel counts and instrument-status information together.
Cumulative and differential display modes support both routine trending and contamination investigation.
Rechargeable portable design enables one-handed checks across multiple controlled areas.
USB or Ethernet data-transfer options can be configured for documented monitoring workflows.
Customer Product Concerns
Mobile cleanroom rounds are only defensible when each location is sampled consistently, every result stays tied to its origin, and the handheld unit can move between zones without becoming a transfer risk.
Operators may collect incomparable readings when sampling flow or duration changes between locations.Programmable sample recipes and closed-loop flow control standardize the volume and timing used for each location.
A portable instrument can become a contamination-transfer risk when moved between rooms.The smooth wipe-clean housing and internally HEPA-filtered exhaust support controlled transfer and routine surface disinfection.
Manual transcription can separate a particle result from its room or time reference.Stored location names, timestamps, channel results and status flags preserve the measurement context for export.
A single total count may hide whether contamination is dominated by fine or larger particles.Up to six simultaneous size channels provide cumulative or differential distributions for faster diagnosis.
Typical Applications
Routine airborne particle checks in pharmaceutical and biotechnology cleanroomsContamination troubleshooting around filling lines, isolators and laminar-flow workstationsElectronics, semiconductor and precision-assembly environmental monitoringPreliminary room surveys before formal cleanroom qualificationVerification of cleaning recovery and localized particle sources
Technical Parameters
The table presents representative physical dimensions, inlet and data interfaces, and enclosure materials for this portable instrument, while the specific model is selected to suit its monitoring use.
| Core Material | High-impact engineering-polymer enclosure with an internal optical sensor, sampling pump and HEPA-filtered exhaust |
|---|---|
| Panel Thickness | Not applicable to this instrument; enclosure wall construction is typically 2–3 mm |
| Effective Width | Approximately 95–110 mm, depending on the selected configuration |
| Maximum Length | Approximately 240–275 mm, depending on the selected configuration |
| Steel Facing Thickness | Not applicable; optional stainless-steel protective parts may be specified from 0.8 mm |
| Core Density | Not applicable to an electronic measuring instrument; no insulation core is used (0 kg/m³) |
| Thermal Conductivity | Not a rated performance parameter for this instrument; enclosure material is typically about 0.20 W/(m·K) |
| Surface Finish | Smooth, wipe-clean light-gray polymer with a dark display bezel and clearly differentiated controls |
| Joint Type | Barbed or direct isokinetic inlet connection with USB/Ethernet data interfaces as configured |
| Customization | Available based on the intended application and operating environment. |
Available Options
Selectable particle-size channel configurationsTemperature and relative-humidity probeIsokinetic sampling probe and tubingCarrying case and charging cradleData-management software and external printer connectivityCalibration documentation suited to the purchaser's quality system
Planning a Handheld Particle Counter specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
