The Welch Allyn TM286 Power Brick (#28601) is a power source for the Welch Allyn TM286 AutoTymp Tympanometric System (serial numbers GS0077116 and earlier).
Warranty: 1 Year.
Welch Allyn TM286 AutoTymp Tympanometric System Instructions for Use
Welch Allyn TM286 AutoTymp Tympanometric System Specifications Sheet
