Astra100 Spirometer
Technical Specifications
Measurement Scale (BTPS)
Flow range: 0-16 L/s
Volume (L): 0-10
Measurement Method
Infrared Interruption
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: <6mL
Sampling frequency: 50Hz
Hardware Specifications
Storage Capacity: >150 studies
Keyboard: 5 keys
Dimensions: 5.75" x 3.25" x 4.0"
Weight: 9 oz (250 g)
Communication: USB to printer
Power supply:
2 x 1.5DC Alkaline or NiMH batteries