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Reinraum-Test - und Validierungsinstrumente
Liquid Particle Counter
A light-obscuration liquid particle counter for repeatable sizing and enumeration of sub-visible particles in pharmaceutical and process-liquid samples.
- Metered liquid volumes support repeatable sample counts.
- Light obscuration resolves multiple particle thresholds.
- Small samples and automated rinsing limit material use.
Produkteinführung
This liquid particle counter draws a controlled sample volume through a laser light-obscuration sensor, where individual particles are sized from the reduction in transmitted light. A precision syringe or piston sampling system supports repeatable volume delivery, while programmable test routines manage flush, measurement and reporting steps. Interchangeable sensor ranges allow the platform to address parenteral products, purified water, solvents, oils and other compatible liquids.
Key Features
Light-obscuration sensing provides simultaneous particle counts across multiple size thresholds.
Small-volume probe options reduce product consumption for high-value formulations.
Automated flush routines limit carryover between samples and reduce manual handling.
Bubble and sensor-condition alerts help distinguish sampling faults from genuine particle events.
Configurable methods store sample volume, replicates, thresholds and reporting calculations together.
Kunden Produktbedenken
Reliable liquid counts require bubble control, thorough carryover removal between samples, and repeatable results from the smallest practical volume of costly product.
Air bubbles can be counted as particles and inflate the reported result.Controlled sample preparation, bubble detection and stable volumetric aspiration reduce bubble-related false events.
Residue from a previous high-count sample can contaminate the next test.Programmable flush volumes and a short cleanable flow path provide a defined carryover-control sequence.
High-value biologic samples may not be available in large volumes.Small-bore probes and low-volume methods can perform meaningful measurements with minimized sample consumption.
Different liquids vary in viscosity and optical properties.Selectable sensor, flow rate and method settings adapt the sample path to compatible formulation characteristics.
Typische Anwendungen
Sub-visible particle testing of injectable and infusion productsParticle monitoring in purified water and water-for-injection samplesCleanliness assessment of process chemicals and solventsHydraulic oil, lubricant and fuel contamination analysisResearch and formulation troubleshooting for protein-based products
Technische Parameter
The table summarizes representative analyzer, probe, flow-path, and sample-interface materials and dimensions for a liquid counter, with selection based on viscosity, sample volume, and particle-size thresholds.
| Core Material | Powder-coated or stainless instrument enclosure with a glass-and-stainless sampling path, precision syringe assembly and laser sensor |
|---|---|
| Panel Dicke | Typically 1.0–1.5 mm enclosure panel thickness |
| Effektive Breite | Approximately 300–360 mm according to sampler configuration |
| Maximale Länge | Approximately 330–500 mm including sample probe and syringe mechanism |
| Stahl facing Dicke | Approximately 1.0–1.5 mm where stainless enclosure panels are specified |
| Kerndichte | Not applicable; no insulation core is used (0 kg/m³) |
| Thermische Leitfähigkeit | Approximately 14–16 W/(m·K) for stainless wetted and enclosure components |
| Oberfläche Finish | Smooth light-gray wipe-clean coating with passivated stainless and glass sample-contact surfaces |
| Gemeinsamer Typ | Luer or compression sample probe connection with removable sensor tubing and waste outlet |
| Customisierung | Verfügbar je nach beabsichtigter Anwendung und Betriebsumgebung. |
Verfügbare Optionen
Sensor ranges from approximately 1.3–150 µm or application-specific alternativesLow-volume pharmaceutical sample probeBottle, syringe or online sampling configurationAutomated rinse and waste handlingPharmaceutical or industrial reporting softwareSample holders for vials, bottles and bags
Planning a Liquid Particle Counter specification?
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