Hi, I'm empty!
Please fill me with a spirometer, PFT filters, or a calibration syringe.

SDI Diagnostics Astra Touch spirometer features a color touch screen and a thermal printer and offers over 40 spirometry parameters and 16 predicted sets. More...
The AstraTouch Desktop Spirometer provides easy navigation when performing comprehensive spirometry testing. Its multifunctional capabilities provide a means of making a diagnostic decision from the screen data, from its resident printer or off-line report writers. PC links via USB or optional Bluetooth make easy work of storing data archivally, transferring tests to EMR or performing real- time direct testing.
SDI Diagnostics Astra Touch spirometer features:
Astra Touch spirometer is compatible with the 28 mm VBMax PFT filters:
| SDI Diagnostics Astra Touch Spirometer Specifications | |
|---|---|
| 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, FIV1/FVC, FEV1/FIV1,PIF, MTT, PEV/PIF, Lung Age |
| MVV | Br/min |
| Bronchoconstriction | FVC, FEV1, PEF, FEF25-75%, PDx |
| Relaxed Parameters Measured | |
| VC | VC, TV, ERV, IRV, IC, Ti, Te, Tt, Ti/Tt |
| Maneuvers per patient | 8 total; best test and last test highlighted |
| Interpretation | Selectable – Kory, Miller, ATS, NLHEP (Ferguson) |
| Predicted sets | Selectable – 16 Total |
| Ethnic correction | Selectable – % Actual, Caucasian, Hispanic, AfroAmerican |
| Language | Selectable – English, Spanish or French |
| 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 | 0.5% |
| Volume resolution | <6 mL |
| Sampling frequency | 50 Hz |
| Hardware Specifications | |
| Storage capacity | >3000+ studies |
| Display | 5.7" High-resolution color VGA touchscreen |
| Communication | USB to printer and PC, RS232, HL-7 |
| Printer | 110 mm thermal graphic printer |
| Storage temperature | -4°F to 158°F |
| Dimensions | 7.7" x 10.6"x 3.9" |
| Power supply | 110 to 240 V, 50 to 60 Hz or NiMH battery pack |
| Weight | 3.7 lbs |