TSI Particle Counter
Analyze and calculate airborne particle concentrations
Particle Data Input
Sample Information
Particle Size Channels (μm)
Analysis Options
Analysis Results
Particle analysis results will appear here
Enter particle count data and click "Analyze Particle Data" to see results
Use Cases
Cleanroom Monitoring
Analyze particle contamination levels in pharmaceutical cleanrooms and manufacturing facilities to ensure compliance with ISO standards
Air Quality Assessment
Evaluate indoor air quality in offices, schools, and public spaces by analyzing particle concentration levels
Industrial Hygiene
Monitor workplace air quality and assess exposure to airborne particles in industrial environments
Research Applications
Support scientific research by providing detailed analysis of particle size distributions in experimental environments
Filter Efficiency Testing
Evaluate the effectiveness of air filtration systems by comparing particle counts before and after filtration
Environmental Monitoring
Track outdoor air pollution levels and analyze particle concentration trends over time for environmental studies
Frequently Asked Questions
What is a TSI particle counter?
TSI particle counters are precision instruments designed to measure and count airborne particles in various size ranges. They use light scattering technology to detect and count particles as small as 0.1 micrometers. These devices are widely used in cleanroom monitoring, air quality assessment, and environmental research to ensure compliance with industry standards and regulations.
How do I interpret particle concentration results?
Particle concentration is typically expressed as particles per cubic meter (particles/m³) or particles per cubic foot (particles/ft³). Lower concentrations generally indicate cleaner air. For cleanroom applications, ISO 14644-1 standards define maximum allowable particle concentrations for different cleanliness classes. In general air quality assessments, concentrations below 35,000 particles/m³ for PM2.5 are considered good, while higher levels may indicate air pollution issues.
What is ISO 14644-1 classification?
ISO 14644-1 is an international standard that defines the classification of air cleanliness in cleanrooms and controlled environments. It establishes nine cleanliness classes (ISO 1 to ISO 9) based on the maximum allowable concentration of particles of specific sizes. ISO 1 represents the cleanest environment with the strictest limits, while ISO 9 allows the highest particle concentrations. Our tool helps determine the appropriate ISO class based on your particle count data.
How does particle size affect air quality?
Particle size significantly impacts health effects and air quality. Larger particles (≥10 μm) are typically filtered by the upper respiratory tract and may cause irritation. Medium-sized particles (2.5-10 μm) can penetrate deeper into the lungs. Fine particles (≤2.5 μm) and ultrafine particles (≤0.1 μm) are most concerning as they can pass through lung tissue into the bloodstream and affect various organs. Understanding particle size distribution is crucial for assessing health risks and implementing appropriate filtration strategies.
What flow rate should I use for sampling?
The optimal flow rate depends on your specific application and the particle counter model. For general air quality monitoring, flow rates between 20-50 L/min are common. For cleanroom monitoring, 28.3 L/min (1 CFM) is frequently used as it matches many regulatory requirements. Higher flow rates provide faster sampling and better statistical accuracy for low-concentration environments, while lower flow rates may be preferred when conserving sample media or when measuring very high particle concentrations.
How often should I perform particle counting?
The frequency of particle counting depends on your application and regulatory requirements. For critical cleanroom environments, continuous monitoring or multiple daily measurements may be necessary. For general air quality assessment, weekly or monthly measurements might suffice. In industrial settings where conditions can change rapidly, more frequent monitoring may be needed. Establish a baseline with regular measurements, then adjust frequency based on observed variations and criticality of the environment being monitored.
What factors can affect particle count measurements?
Several factors can influence particle count measurements: environmental conditions (temperature, humidity), sampling location and height, recent activities in the area (cleaning, equipment operation), air flow patterns, and instrument calibration. Human presence and movement can significantly increase particle counts. For accurate results, minimize disturbances during sampling, allow the environment to stabilize before measurements, and ensure proper instrument calibration according to manufacturer guidelines.
No comments yet. Be the first to share your thoughts!