EXHIBIT 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this registration statement of our reports dated October 24, 1997 included in Benthos, Inc.'s Form 10-KSB for the year ended September 30, 1997 and to all references to our Firm included in this registration statement. ARTHUR ANDERSEN LLP Boston, Massachusetts July 27, 1998