CFR › Title 21 › Part 882 › §882.161021 CFR §882.1610Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Identification. An alpha monitor is a device with electrodes that are placed on a patient's scalp to monitor that portion of the electroencephalogram which is referred to as the alpha wave.(b)Classification. Class II (performance standards).