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Do we have to calibrate the spirometer/how often does it need to be calibrated?

April 26, 2017calibrate calibrated Spirometer

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Do we have to calibrate the spirometer/how often does it need to be calibrated?

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The QRS product line of spirometers are pre-calibrated as are the mouthpieces. QRS spirometers do not require calibration, however, the software does allow for calibration checks in the field with the use of a 3-liter syringe. If you believe your device is out of calibration after testing several mouthpieces, please contact QRS Technical Support.