Astra300™ Spirometer


Forced Parameters Measured  
Forced vital capacity: FVC, FEV.5, FEV1, FEV3, FEV6, FEV1/FVC, FEV1/FEV6,
  FEV.5/FVC, FEV3/FVC, PEF, FEF25, FEF50, FEF75, FEF25-75,
  FEF 75-85, FET, FEV1/FEV.5, FEV1/PEF, MIF50, FIVC, FIV1,
MVV: Br/min
Relaxed Parameters Measured  
VC: VC, TV, ERV, IRV, IC, Ti, Te, Tt, Ti/Tt
Maneuvers per patient: 5 total; best test and last test highlighted
Interpretation: Selectable – Kory, Miller, ATS, NLHEP (Ferguson)
Predicted sets: Selectable – 14 Total
Ethnic correction: Selectable – % Actual, Caucasian, Hispanic, AfroAmerican
Language: Selectable – English or Spanish
Measurement Scale (BTPS)  
Flow range 0–16 L/sec
Volume 0–10 L
Measurement method: Infrared Interruption via Digital Turbine
 Dynamic flow resistance: <1.5 cm H20/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
Storage capacity: 1000+ studies
Keyboard: Alphanumeric LCD touchscreen
 Communication: USB to printer and PC, RS232
  Optional: Bluetooth to PC
Dimensions: 5.75" x 3.25" x 4.0"
Power supply: 2 x 1.5 DC Alkaline or NiMH batteries
Weight: 9 oz (250 g)
Optional OSHA module
  Flex Pulse Oximetry module and program
  NiMH battery/charger pack
  Calibration syringe
Astra300™ is compatible with printers using USB connection and PCL6 drivers.