KANOMAX 3910 Portable Particle Counter | 50 L/min, 6 channels 0.3–10 µm, ISO 21501-4, built-in printer, 21 CFR Part 11

KANOMAX 3910 Portable Particle Counter: 50 L/min

Overview

The 3910 is a portable particle counter in the Kanomax 3900 series. Its stainless steel housing suits cleanroom use; with a flow rate of 50 L/min it measures 6 particle sizes simultaneously and can certify cleanrooms down to ISO Class 2. It has a built-in thermal printer and 10,000-record data logging, with password management, data protection and audit trail for 21 CFR Part 11 compliance; an optional CLIMOMASTER environmental sensor measures air velocity, temperature and humidity. The 3905 (28.3 L/min) and 3920 (100 L/min, 0.5–10 µm) in the same series are available on inquiry.

Key Specifications

• Light source: Laser diode
• Size channels: 0.3, 0.5, 1.0, 3.0, 5.0, 10.0 µm
• Flow rate: 1.77 CFM (50 L/min)
• Counting efficiency and limit: 50 ±20% @ 0.3 µm; 500,000 particles/ft³ (10% coincidence loss); zero count < 1 count／5 min
• Sampling and interval: 6 s to 23 h 59 min 59 s (settable)
• Display and printing: 6.4-inch color touchscreen; built-in thermal printer
• Interfaces and storage: Ethernet, USB, memory card (MMC); 10,000 records
• Reports and standards: Reports for ISO 14644-1, GB/T16292-2010, EU GMP and others; complies with ISO 21501-4, JIS B9921, CE
• Power and dimensions: AC 100–240 V or lithium battery; 7.9 × 7.9 × 8.1 inch; 6.44 kg

Applications

• Cleanroom classification and periodic monitoring.
• Cleanliness audits in pharmaceutical, medical and electronics plants.

Specifications per the specification table on the KANOMAX USA website 3900 series product page (retrieved 2026-10-23).