Model | 4000 |
Dimensions | 109mm (length) x 63mm (width) x 42mm (height) |
Accuracy | Better than ± 3% (FEV1), ± 10% (PEF) |
Flow Detection Principal | Stator rotor |
Back Pressure | Less than 0.15kPa/L/second @ 14L/s |
Measurement Range | PEF: 25 – |
Maximum Test Duration | 840 L/min BTPS FEV1: 0 |
Quality Check | 1 second |
Power Supply | Time to Peak Flow >120ms or a cough detected in |
the first second | |
Battery Life | 3V (2 x 1.5V AAA batteries) |
Performance Standards & Guidelines | 3 months of use, 3 tests per day |
Communications | ATS/ERS 2019, ISO 23747:2015, ISO 26782:2009 |
USB2.0/3.0 | |
PC Requirements | Windows® 7, Windows® 8 or Windows® 10 |
Auto Power Down Time | 2 minutes |
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