Dimensions: 109mm (length) x 63mm (width) x 42mm (height)
Flow Detection Principal: tator rotor
Accuracy: Better than ± 3% (FEV1)
Back Pressure: Less than 0.15kPa/L/second @ 14L/s
Measurement Range: FEV1: 0 – 9.99 L BTPS
Maximum Test Duration: 6 seconds
Quality Check: Slow start of test (Vext>5%) or a cough detected in the first second
Power Supply: 3V (2 x 1.5V AAA batteries)
Expected Battery Life: 3 months of use at 3 tests per day
Performance Standards & Guidelines: ATS/ERS 2019, ISO 23747:2015, ISO 26782:2009
Auto Power Down Time: 2 minutes
WASHING INSTRUCTIONS:
Machine wash separately in cold water on a gentle cycle. Tumble dry separately on low heat. Add QE Home Wool Dryer
Balls to reduce wrinkles and increases drying efficiency. Touch up with a low heat iron as needed. Do not bleach or dry clean.
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