ASSESS meets or exceeds National Asthma Education and Prevention Program (NAEPP) Technical Standards for Peak Flow Meters based on American Thoracic Society Spirometry 26 waveforms.
| ASSESS /ATS Standards: (26 ATS flow-time waveforms) | |
| Accuracy | +/-10% or 20 L / min, whichever is greater |
| Reproducibility | ≤5% or 10 L / min, whichever is greater |
| Interdevice Variability | ≤10% or 20 L / min, whichever is greater |
| Length | 8.0" (20.3 cm) |
| Width | 1.5" (3.8 cm) |
| Thickness | 1.3" (3.2 cm) |
| Length | 2.25" (5.7 cm) |
| Outer Diameter (patient end) |
0.9" (2.3 cm) |
| Inside Diameter (meter end) |
1.1" (2.8 cm) |
| Main Body | Impact-resistant polycarbonate |
| Mouthpiece | Polyethylene |
| Moving Parts | Surgical-grade stainless steel |
| Scale | Hot-stamped, alcohol-resistant |
| Calibration Data | Measurement Range | Resolution |
| ASSESS Full Range | 60 - 880 L / min | 10 L / min |
| ASSESS Low range | 30 - 390 L / min | 5 L / min |