Kanomax 3905 Portable Particle Counter

100 in stock


Kanomax 3905 Portable Particle Counter with an optional Climomaster environmental sensor provides the ability to measure air velocity, temperature and humidity making these instruments the ultimate tools for cleanroom certification. This unit features a large color touch screen with a streamlined and user-friendly interface pre-programmed with different standards having 6 channels for measuring particle sizes of various ranges

Applications: Clean Room, HVAC, Food and Beverage Industry, Pharmaceutical Manufacturing, Electronics Manufacturing. Research and Development, Environmental Monitoring

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Kanomax 3905 Portable Particle Counters are the smallest 6-channel portable particle counters in the industry with a 50 LPM and a 0.3-micron sensitivity. This unit features a large color touch screen with a streamlined and user-friendly interface pre-programmed with different standards to help guide you through the measuring and certification process.

Features Of Kanomax 3905 Portable Particle Counter:

  • The unit is feather light and the smallest in the industry.
  • 28.3 lpm (1.0 cfm) or 50 lpm (1.77 cfm) flow rate speeds the sampling process.
  • Fully compliant with ISO 21501-4 calibration standard.
  • Enables you to certify cleanrooms up to ISO Class 2.
  • Built-in printer and onboard datalogging (up to 10,000 records).
  • 21 CFR Part 11 compliant with IQ/OQ documentation available
  • Optional Climomaster environmental probe adds the ability to measure airflow, temperature and humidity

Additional information

Weight 7 kg


Model No


Measuring Parameters


Particle Size Range

0.3, 0.5, 1.0, 3.0, 5.0, 10.0 micron meters

No of channels

6 Channels

Flow rate

28.3 LPM (1.0 CFM)


6.4 inch, color touch screen

Environmental Sensors

Air Velocity, Temperature, Relative Humidity and Pressure

Data Storage

Up to 10,000 sample records

Counting efficiency

50% 20% at 0.3 micron meters, 100% 10% at 0.5 micron meters

Zero count

Less than 1 count per 5 minutes

Concentration limits

More than 500,000 particles/ft3 at 10% coincidence loss

Operating Temperature

50 to 104°F (10 to 40°C), 20 to 85%RH with no visible condensation

Storage Temperature

14 to 122°F (-10 to 50°C), up to 98%RH with no visible condensation


ISO 21501-4, JIS B9921, CE


Ethernet, USB, Memory card slot (MMC)


Stainless Steel

Power Supply

Li-ion battery or AC adapter (100 to 240V)


Removable/rechargeable Li-ion batteries (2 battery slots)


Included:Quick-start guide, operation manual, zero filter, 1 x Li-ion battery, AC adapter, sampling tubing data storage card, isokinetic probe, data processing software, printer paper, NIST Certifi


7.9 x 8.1 x 7.9 inches (200 x 205 x 200 mm) without handle


14.2 lbs (6.4 kg) with two batteries

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Kanomax 3905 Portable Particle Counter

Kanomax 3905 Portable Particle Counter