A-M Systems Calibration Syringes are designed to be the "known volume" for checking your spirometer daily as required by ATS and ERS guidelines on spirometry. Made of durable aluminum, the 3 L calibration syringes come with a universal connector.
Accuracy: ±0.25%
Fits 1 to 1 1/16" OD tubes, with adapters for many commonsizes.
Calibrated mechanical stop
Rubber feet prevents rolling
One year warranty on all calibration syringes
In stock for prompt delivery