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Single Particle Explorer CSS (SPE-ls CSS)

CSS: Count, Size, Shape

The SPE-ls CSS measures the number, shape, and size of particles ranging from 2 - 40,000 µm on filter membranes in your cGMP environment. This device provides reproducible results using fully automated image acquisition and analysis/documentation units. The SPE-ls CSS is applicable for foreign particulate matter control in parenterals, primary packaging materials or medical devices applications according to USP <788>, ISO 8871-3:2004, or international standards set by the user.

Produce results in a timely manner

High reproducability – no user interaction is required to run samples. All measurement parameters are set in receipt files.
Total traceability – ensure valid results with built-in traceable standards and CFR 21 Part 11 raw data compatibilty.
Fast results – enumeration of a sample in just 5 minutes.
High sample throughput - load up to 4 samples into the system and run them fully automated.
Minimal user training
- after 1-3 days of on site user training, anybody is able to work with the system.
Robust - integrated system with worldwide support.

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The particle monitor provides size distribution data for particles 2 µm and larger: size, number and shape.

Applications

The SPE-ls CSS is capable of analyzing GxP environments with varied norms and regulations. The SPE delivers validated documented results for pharmaceutical applications.

The SPE-ls CSS measures foreign particle levels by determining the particle count per unit of volume in a liquid.

Routine particle counting according to USP<788> "membrane counting method“

Compliant with ISO 8871-3:2004 - Elastomeric parts for parenterals and for devices for pharmaceutical use - Part 3: Determination of released-particle count




Image analysis -> number, size and shape:

The system gathers morphological particles information without any user interaction. From each particle the system reports:

Number, size:
Feret's diameter (longest dimension)

Shape:
Aspect ratio, angularity, rectangularity, elongation, area, perimeter, circularity, solidity, fibrosity, convexity and height

Particle color image:
Automatically collect and document high resolution sharp (auto-focus) color images of the particles.


With pre-defined methods illumination, auto-thresholding and auto-focus a complete user bias is established. This ensures high repeatability and reproducability of the counting results.




The system is fully automated with features such as: auto-focus, illumination feedback, binarization threshold, and a sample/objective changer making it is easy to use.

Software interface and result