| Size Range | 
0.3 to 25μm | 
| Size Channels | 
Factory calibrated at 0.3, 0.5 and 5.0 μm | 
| Flow rates | 
0.1 CFM (2.83 LPM) | 
| Concentration Limit | 
15,000,000 Particles/ft³ @ 5% coincidence loss | 
| Light Source | 
Long life laser diode | 
| Battery Run Time | 
>10 hours continuous operation | 
| Zero Count | 
<1 count / 5 minutes (<2 particles / ft³) (per ISO 21501-4 & JIS) | 
| Count Modes | 
Automatic, manual, real-time meter, cumulative/differential, mass concentration, count or concentration | 
| Count Alarms | 
1 to 9,999,999 counts | 
| Calibration | 
NIST traceable | 
| Display | 
4.3″ (10.9 cm) WQVGA (480×272) color touch screen | 
| Printer (Optional) | 
External thermal printer | 
| Vacuum Source | 
Internal pump with automatic flow control | 
| Filtered Exhaust | 
Internal HEPA filter | 
| Number of Channels | 
3 | 
| Custom Size Channels | 
Calibration for custom size channels available | 
| Audible Alarm | 
Adjustable built-in alarm | 
| Battery | 
Removable Li-ion | 
| Battery Recharge Time | 
<2 hours with external battery charger | 
| Communication Modes | 
USB | 
| Optional Communication Mode | 
Ethernet, Wireless 802.11 b/g, RS485 or RS232 | 
| Alarm | 
Alarms on counts for all particle sizes, low battery, sensor failure, environmental sensors and flow | 
| Standards | 
ISO 21501-4 and JIS B9921 | 
| Calibration | 
Recommended minimum once per year | 
| External Surface | 
High impact injection molded plastic | 
| Dimensions (L x W x H) | 
10” x 5” x 4.5” (25.4 cm x 12.9 cm x 11.4 cm) includes handle and does not include probes | 
| Weight | 
2.2 lb (1.0 kg) | 
| Accessories | 
Operating manual on USB flash drive, isokinetic probe, filter, battery, data download software, USB cable, power supply & cable | 
| Optional Accessories | 
Printed manual, carrying case, spare battery, external battery charger, external printer, isokinetic probes, and temperature relative humidity sensor | 
| Buffer Memory | 
45,000 sample records (rotating buffer) including particle count data, environmental data, locations and times. Scrollable on screen or printout | 
| Sample Locations | 
Up to 1,000 locations 20 characters long | 
| Sample Time | 
1 second to 99 hours | 
| Power | 
110 to 240 VAC 50/60 Hz universal in-line power supply | 
| Operating Conditions | 
41º to 104ºF (5º to 40ºC) / 20% to 95% non-condensing | 
| Storage Conditions | 
32º to 122ºF (0º to 50ºC) / Up to 98% non-condensing | 
| Warranty | 
1 year limited warranty. Extended warranties available. |