User Manual Q&AAnswer
Feb 19, 2025 - 10:32 PM
ACE Instruments recommends calibrating the breathalyzer at least once every 12 months or after 500 tests, whichever comes first. Regular calibration is important to maintain the accuracy of the sensor and ensure reliable measurement results. You can send the device to ACE Instruments for calibration service. The due date for the next calibration can be found on the calibration sticker placed on your breathalyzer. If the sticker is missing, the calibration should be done at the latest 12 months after the purchase date.
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