Lasair® III 110 Particle Counter
Laser diode-based true 0.1 μm particle counter with 1.00 CFM flow rate, **OPTIMAL FOR TESTING OF ASTM2299 MASKS**
The only true 0.1 micron particle counter
**OPTIMAL FOR TESTING OF ASTM2299 MASKS**
The Lasair® III 110 Inline is a laser diode-based true 0.1 µm particle counter with 1.0 CFM flow rate. With a comprehensive set of features and unequaled accuracy, the Lasair III 110 o ers reduced operating costs and the reliability and longevity to support its three-year laser warranty
Reduce Defects
• Real-time measurement of yield-impacting particles
• Full range of accessories for monitoring in different applications
• Actual detection of 0.1 µm particles
Increase Productivity
• Quiet operation improves work environment
• Interfaces with Facility Net software for comprehensive data management
Cost-Effective
• Use same particle counter for ISO Class 1 – 9 applications
• Eliminates need for frequent, costly laser cleaning
• Easy to clean/wipe down; designed to minimize particle traps
• Rugged, chemical-resistant, stainless steel casing
• Long-lasting cooled diode with 3-year laser warranty
• Critical orifice configuration can use house vacuum for aerosol manifold applications
| Channel thresholds | 0.1, 0.15, 0.2, 0.25, 0.3, 0.5, 1.0, and 5.0 µm by default – All 8 channels are user-adjustable |
| Counting efficiency | 50% @ 0.1 µm |
| Flow rate | 1 CFM (28.3 LPM) |
| Calibration | Materials traceable to US National Institute of Standards and Technology (NIST) ISO 21501-4 Compliant |
| Test methodology | 0.1 µm particles verified by Differential Mobility Analysis; larger sizes verified by transmission electron microscopy |
| Maximum concentration | @ 10% coincidence loss: > 950,000/ 3 (optional diluter required for ISO Class 8+); automatic coincidence alarm |
| Zero count level | Exceeds JIS (Japanese Industrial Standards), allowing use in ISO Class 1 and ISO Class 2 rooms |
| Laser source | Laser diode, 6 W (de-rated to 2.5 W), 810 nm, infrared |
| Laser cooling | Thermoelectric chilling (Peltier cooler), heat sink, dedicated cooling fan |
| Vacuum | 1/4” barbed fitting. Requires > 15 in Hg |
| Warranty | 3-year warranty on laser module, 2-year warranty on other components |
| Communication modes | Ethernet (PMS Protocol, Modbus TCP) or RS-232; four 4-20 mA outputs (3 particle, 1 status) Pulse/TTL Output |
| Environmental sensors | Optional Temp/RH probe; integrates up to 4 external sensors via 4-20 mA input |
| Remote Operation | Use Facility Net software to control remotely |
| Data and sampling security | Stored data records cannot be altered; sampling recipes can be password protected |
| External surface | Stainless steel chassis and anodized aluminum chassis all ESA/ESD compliant |
| Cleaning materials | Bleach, ethyl/isopropyl alcohol, peroxide/quaternary ammonium solutions |
| Dimensions (w,h,l) | 11.0 x 12.5 x 18.5 in (28.0 x 31.8 x 47.0 cm) |
| Weight | 29.6 lb (13.4 kg) |
| Power | 100 – 240 V, 3 A, 50 – 60 Hz |
| Operating environment and sample conditions | Temperature: 15 – 30 °C (59 - 86 °F); Humidity: 1 – 95% non-condensing; Ambient pressure @ altitudes from 0 – 7,000 (0 – 2,134 m) |



