Bionet 3L Calibration Syringe for Spirometry, SPM-CS

Bionet 3L Calibration Syringe for Spirometry, SPM-CS Warranty: Comes with 90 day warranty Bionet's calibration recommendations are based upon guidelines from the American Thoracic Society (ATS) and the European Respiratory Society (ERS) The volume accuracy of the spirometer must be checked at least daily with a single discharge of a 3-L calibrated syringe. At least quarterly, volume spirometers must have their calibration checked over their entire volume range using a calibrated syringe or an equivalent volume standard. The measured volume should be within 3.5% of the reading or 65 mL, whichever is greater. This limit includes the 0.5% accuracy limit for a 3-L syringe.