| Output: | RS232 |
| Measurements: | Date/Time, FEV1, FVC, PEF |
| Volume range: | 0.1 to 9.99 Liters |
| Flow range: | 0.2 to 15.00 Liters/Second |
| Accuracy: | +/- 2% (Meets all known recommendations including the ATS) |
| Dimensions: | 6.5" x 2.5" x 2" |
| Weight net: | 8 oz |
| Weight packed: | 2.5 lb |
| Power supply: | Single 9 volt PP3 |