Portable Particle Counters – 3900 Series
Portable Particle Counters – 3900 Series
| Model | 3905 | 3910 | 3920 |
| Light Source | Laser diode | ||
| Measuring Particle Size | 0.3, 0.5, 1.0, 3.0, 5.0, 10.0 (μm) | 0.5, 0.7, 1.0, 3.0, 5.0, 10.0 (μm) | |
| Flow Rate | 1.0 CFM (28.3 LPM) | 1.77 CFM (50 LPM) | 3.5 CFM (100 LPM) |
| Counting Efficiency | 50±20% at 0.3μm | 50±20% at 0.5μm | |
| Concentration Limit | 500,000 particles/ft³ at 10% coincidence loss | 300,000 particles/ft³ at 10% coincidence loss | |
| Sampling Time | 6sec ~ 23hours 59min 59sec (configurable) | ||
| Interval Time | 6sec ~ 23hours 59min 59sec (configurable) | ||
| Zero Count Level | Less than 1 count / 5 minutes | ||
| Printer | Built-in thermal printer | ||
| Display | 6.4 inch color touch screen | ||
| Interface | Ethernet, USB, Memory card slot (MMC) | ||
| Data Storage | 10,000 data points | ||
| Security | Password authentication and management, secure data, and audit trails (meets 21 CFR Part 11 compliance) | ||
| Reports | ISO146441-1, GB/T16292-2010, FEDERAL STANDARD, BRITISH STANDARD, EU GMP | ||
| Standards | ISO 21501-4, JIS B9921, CE | ||
| Power | AC 100 – 240 V or Li-ion Battery | ||
| Dimensions | W 7.9 x D 7.9 x H 8.1 inch | ||
| Weight | 14.2 lbs (6.44 kg) | ||
| Warranty | 2 year | ||
| Environmental Sensor | Air Velocity, Temperature, Relative Humidity and Pressure | ||
| What’s included | Quick-start guide, AC adapter, zero filter, Isokinetic probe with 79 inch (2m) tubing, inlet nozzle, data processing software, memory card, 2 rolls of cleanroom-grade printer paper, 1 x Li-ion battery and calibration certificate | ||
Description
Portable Particle Counters – 3900 Series
High-Flow Airborne Particle Counters for Exact ISO Cleanroom Validation
Uncontrolled airborne contamination during pharmaceutical compounding, semiconductor packaging, or medical device assembly directly threatens yield and regulatory approval. Meeting modern sterilization standards requires a contamination diagnostic tool that is both highly mobile and completely precise.
The Kanomax 3900 Series Portable Particle Counters (featuring the high-performing Model 3910 and Model 3920) are the industry benchmark for facility-wide validation. Delivering up to 50 Liters Per Minute (LPM) sample flow rates, the 3900 Series drastically reduces testing windows by pulling large air volumes quickly. This ensures rapid, certified compliance verification across all structural zones.
Technical Performance & Operational Value
The 3900 Series eliminates operational downtime by combining an intuitive touchscreen interface with heavy-duty measurement standards.
| Operational Feature | System Specification | Practical Cleanroom Advantage |
| High-Flow Sampling | 28.3 LPM or 50.0 LPM flow options | Captures a cubic meter of air quickly, speeding up routine verification cycles. |
| Multi-Channel Tracking | 6 simultaneous size channels ($0.3\text{ to }10.0\,\mu\text{m}$) | Monitors micro-contaminants and larger ambient macro-particles all at once. |
| Comprehensive Display | Large, color touchscreen interface | Allows technicians to navigate testing setups and map layouts without a PC. |
| Enclosure Materials | Fully polished 304 stainless steel | Resists aggressive chemical wipes and prevents cross-contamination. |
Built to Withstand Strict Audits
1. Seamless Certification and Automation
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Automated Cleanroom Standards: The onboard software automatically calculates and outputs pass/fail metrics based on ISO 14644-1, EU GMP Annex 1, and FS 209E requirements.
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Airtight Data Security: Fully compatible with FDA 21 CFR Part 11 environments. Features secure electronic data signatures and comprehensive user auditing logs to prevent record alterations.
2. Built-In Diagnostic Peripherals
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Integrated Thermal Printer: Prints physical validation receipts directly on-site for immediate cleanroom logbook physical documentation.
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Multi-Sensor Expansion: Accommodates optional climatic probes to measure ambient temperature, relative humidity, and differential air velocity alongside particulate metrics.
Targeted Cleanroom Industry Applications
The portable, high-flow design of the 3900 Series makes it a primary validation asset across multiple sectors:
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Pharmaceutical Cleanrooms: Ensuring immediate compliance during sterile processing, drug compounding, and fill-finish cycles.
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Semiconductor Manufacturing: Isolating killer sub-micron particulate sources on wafer transport lines and lithography bays.
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Hospital Operating Rooms: Validating critical surgical suites and sterile pharmacy workspaces to maximize patient safety.
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Medical Device Packaging: Maintaining clean manufacturing spaces for the assembly and sealing of critical surgical implants.
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