| Model |
3910 |
3905 |
| Light Source |
Laser diode |
| Particle Channel Sizes |
0.3, 0.5, 1.0, 3.0, 5.0, 10.0 micron meters |
| Counting Efficiency |
50% 20% at 0.3 micron meters, 100% 10% at 0.5 micron meters |
| Flow Rate |
50 LPM (1.77 CFM) |
28.3 LPM (1.0 CFM) |
| Concentration Limit |
More than 500,000 particles/ft3 at 10% coincidence loss |
| Zero Count Level |
Less than 1 count per 5 minutes |
| Environmental Sensor |
Air velocity, temperature, relative humidity, and pressure |
| Vacuum Source |
Internal pump |
| Exhaust |
Internal HEPA filtered to more than 99.97% at 0.3 micron meters |
| Printer |
Built-in thermal printer |
| Display |
6.4 inch, color touch screen |
| Enclosure |
Stainless Steel |
| Interface |
Ethernet, USB, Memory card slot (MMC) |
| Data Storage |
Up to 10,000 sample records |
| Security |
Password authentication and management, secure data, and audit trails (meets 21 CFR Part 11 compliance) |
| Reports |
ISO 14644-1, EU GMP, FS209E, and New Chinese GMP |
| Standards |
ISO 21501-4, JIS B9921, CE |
| Power Supply |
Li-ion battery or AC adapter (100 to 240V) |
| Battery |
Removable/rechargeable Li-ion batteries (2 battery slots) |
| Operating Range |
50 to 104°F (10 to 40°C), 20 to 85%RH with no visible condensation |
| Storage Range |
14 to 122°F (-10 to 50°C), up to 98%RH with no visible condensation |
| Dimensions (H x W x D) |
7.9 x 8.1 x 7.9 inches (200 x 205 x 200 mm) without handle |
| Weight |
14.2 lbs (6.4 kg) with two batteries |
| Warranty |
2 years |
| Included Accessories |
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 Certificate |
| Optional Accessories |
Carrying case, spare li-ion battery, tripod, external battery charger, ClimomasterTM probe (air velocity, temperature, relative humidity), pressure sensor, alarm output cable, IQ/OQ validation document |