| PERFORMANCE |  | 
| Flow Range | 4.00 – 12.00 LPM | 
|  |  | 
| Constant Flow Control | ± 5% of set flow at 4-12 LPM | 
|  |  | 
| Flow Compensation | Up to 5-hours at: | 
|  | 4 LPM up to 67” H2O back pressure | 
|  | 5 LPM up to 57” H2O back pressure | 
|  | 6 LPM up to 48” H2O back pressure | 
|  | 7LPM up to 40” H2O back pressure | 
|  | 8LPM up to 33” H2O back pressure | 
|  | 9LPM up to 28” H2O back pressure | 
|  | 10LPM up to 23” H2O back pressure | 
|  | 11LPM up to 18” H2O back pressure | 
|  | 12LPM up to 14” H2O back pressure | 
| Run Time | 8-hours minimum at: | 
|  | 4 LPM up to 45” H2O back pressure | 
|  | 5 LPM up to 38” H2O back pressure | 
|  | 6 LPM up to 32” H2O back pressure | 
|  | 7LPM up to 27” H2O back pressure | 
|  | 8LPM up to 22” H2O back pressure | 
|  | 9LPM up to 18” H2O back pressure | 
|  | 10LPM up to 15” H2O back pressure | 
|  | 11LPM up to 12” H2O back pressure | 
|  | 12LPM up to 10” H2O back pressure | 
| Flow Fault | If flow changes exceed 5% within back pressure specifications, fault icon appears. If fault exceeds 30 seconds, pump shuts down. Pump attempts to restart every 3 minutes for up to 30 min. | 
| ENVIRONMENTAL |  | 
| Temperature Ranges |  | 
| Operating | 32°F to 113°F (0°C to 45°C) | 
| Storage | -4°F to 113°F (-20°C to 45°C) | 
| Charging | 41°F to 104°F (5°C to 40°C) | 
| Humidity Ranges |  | 
| Operating | 5-85 %RH, non-condensing | 
| Storage | 5-98 %RH, non-condensing | 
| GENERAL |  | 
| Display | Flow Rate, Total Sample Time, | 
| Total Volume Sampled |  | 
| Controls | POWER/ENTER, SET/CAL, | 
|  | BACK/CLEAR, START/RUN/STOP | 
| Indicators | Green LED (“Normal Operation”) | 
| Icons (LCD) | Battery Indicator, Hold, Fault, Set, Prog | 
| Dimensions | 3.2W x 5.4H x 2.3D inches | 
|  | 8.2W x 13.7H x 5.8D cm | 
| Weight | 20.5 oz. (580 g) | 
| ELECTRICAL |  | 
| Battery Pack | Removable, Rechargeable | 
|  | Nickel-Metal-Hydride | 
| Battery Level Indicator | Icon displays Full, Mid, & Low levels | 
| Interface Connectors | Charging Jack | 
| Charging Time | Under 4 hours |