Meets all standards. Spirometrics' 3-Liter Calibration Syringe meets all three recommended standards.
ATS recommends calibrating at least daily with a 3-liter calibration syringe.
OSHA recommends periodic and routine calibration of the instrument or a method for recording FVC and FEV1 should be performed using a syringe of at least 2 liters.
SOCIAL SECURITY requires calibration reports when submitting claims.