Astra100™ Spirometer


Parmeters Measured  
Forced vital capacity: FVC, FEV1, FEV6, FEV1/FVC,
Measurement Scale (BTPS)  
Flow Range: 0-16 L/sec
Volume: 0-10 L
Measurement method: Infrared Interruption
Dynamic flow resistance: <1.5 cm H2O/L/sec @ 14 L/sec
Precision of Measurements (BTPS)  
At highest volume: +/- 3% or 50 mL
At highest flow: +/- 5% or 150 mL
Time related precision: .5%
Volume resolution: <6 mL
Sampling frequency: 50 Hz
Hardware Specifications  
Keyboard: 5 keys
Communication port: USB to printer
Dimensions: 5.75" x 3.25" x 4.0"
Weight: 9 oz (250 g)
Power supply: 2 x 1.5 DC Alkaline or NiMH batteries
Storage capacity: >150 studies
Predicted set: Hankinson (NHANES III)
Ethnic correction: Caucasian/Hispanic/AfroAmerican
Interpretation: Ferguson (NLHEP)
Astra100 is compatible with printers using USB connection and PCL6 drivers