How is a device recalibrated? L How is a device recalibrated? Devices are recalibrated by Control Company (the manufacturer). Detailed instructions and a recalibration form can be found on our website. Click Here Post navigationPrevious post: How long does it take to get the RT-28 Cool Cube™ ready to hold my vaccine?Next post: How long is a calibration certificate good for? Leave a Reply Cancel replyYou must be logged in to post a comment.