EXHIBIT 23.1 [CONSENT OF DELOITTE & TOUCHE] INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in this Registration Statement of Tylan General, Inc. on Form S-8 of our report dated December 13, 1995, appearing in the Annual Report on Form 10-K of Tylan General, Inc. for the year ended October 31, 1995. DELOITTE & TOUCHE LLP San Diego, California June 12, 1996 9