EXHIBIT 23.1


CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS


To the Board of Directors of HEI, Inc.:


     We consent to the use of our reports incorporated herein by reference and
to the reference to our firm under the heading "Experts" in this Form S-3.



                                  /s/ KPMG LLP
                                  Minneapolis, Minnesota
                                  November 30, 2001