Specifications
ASSESS® Peak Flow Meter

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.

Performance Data
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

Dimensions
Main Body
Length 8.0" (20.3 cm)
Width 1.5" (3.8 cm)
Thickness 1.3" (3.2 cm)

Mouthpiece (Pediatrics)
Length 2.25" (5.7 cm)
Outer Diameter
(patient end) 		0.9" (2.3 cm)
Inside Diameter
(meter end) 		1.1" (2.8 cm)

Weight: 2.6 oz (73.8 g)
Materials
Main Body Impact-resistant polycarbonate
Mouthpiece Polyethylene
Moving Parts Surgical-grade stainless steel
Scale Hot-stamped, alcohol-resistant
Calibration Data
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