Technical
Respiratory Monitor asma-1
Model 4000
Dimensions109mm (length) x 63mm (width) x 42mm (height)
Flow Detection Principal Stator 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
Vitalograph Respiratory asma-1 Asthma Monitor
Ideal for monitoring PEF and FEV1 at home, work, in clinical trials, in primary or secondary care.
The Vitalograph asma-1™ is a lightweight home use electronic respiratory monitor that measures PEF and FEV1. It offers greater accuracy than mechanical peak flow meters and eliminates the need for paper record cards.
the asma-1 comes with: