The Lasair® III 110, employing a laser diode, is an authentic 0.1 µm particle counter with a flow rate of 1.0 CFM. It provides a broad range of features along with unparalleled precision. This model ensures lower operational costs and is designed for reliability and durability, backed by a three-year warranty on its laser.
Benefits
Reduce Defects
- Actual detection of 0.1 µm particles
- Full range of accessories for monitoring in different applications
- Real-time measurement of yield-impacting particles
Increase Productivity
- Quiet operation enhances the working environment
- Interfaces with Facility Net software for comprehensive data management
Cost-Effective
- Critical orifice configuration can use house vacuum for aerosol manifold applications
- Easy to clean/wipe down; designed to minimize particle traps
- Eliminates the need for frequent, costly laser cleaning
- Long-lasting cooled diode with a 3-year laser warranty
- Rugged, chemical-resistant, stainless steel casing
- Users can use the same particle counter for ISO Class 1 – 9 applications
Features
- Diode laser
- Eight user-adjustable size channels ranging from 0.1 to 5.0 µm
- It incorporates up to four environmental sensors
Applications
- Monitoring of cleanrooms and mini environments
- High-sensitivity applications
- Filter testing
- Manifold sampling (as performed with the Aerosol Manifold II)
- Monitoring process gas (using a High-Pressure Diffuser)
- Ultraclean zones (ISO 1–2)
Specifications
Source: Particle Measuring Systems
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| 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/ft3 (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 (l, w, h) |
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 ft (0 – 2,134 m) |