Astra BT™ Spirometer

The Astra BT™ Wireless Spirometer

Astra BTThe latest innovation from SDI Diagnostics!

Astra BT™ Spirometer is the solution for those searching for a fully-integrated AND wireless spirometer.  Complete package includes our AstraPro software.


Astra BT™ Features

Simplicity With Comprehensive Spirometry.

  • Powered by two AAA batteries
  • Ergonomic handle includes:
    • Visual connectivity indicator
    • Integrated temperature sensor
    • Lanyard
  • Power save mode
  • Transmit and share data and results with your EMR system
  • Meets ATS standards
  • NIOSH (National Institute for Occupational Safety and Health) Compliant
  • Simultaneous F/V and V/T graphs

Turbine web AccuFlo™ Digital Turbine

The AccuFlo™ bidirectional turbine with optoelectronic rotary sensor is easily detached for cleaning. Sapphire bearings ensure optimal performance for the life of the turbine. AccuFlo has a unique flow trigger algorithm that allows tidal breathing prior to the patient expiratory effort making the spirometry test easier for the patient and insuring quality test results.


AstraPro™ Software

Choose either Pre- and Post-bronchodilator and bronchial challenge testing or use the incentive program with your pediatric patients or adults. The Astra BT communicates with AstraPro wirelessly via Bluetooth.



Technical Specifications

Download Astra BT Brochure

Contact Information


SDI Diagnostics
Ten Hampden Drive
Easton, Massachusetts 02375
Phone: (800) 678-5782
Fax: (508) 230-2752 

SDI Diagnostics