EXHIBIT 23.1 [LETTERHEAD OF BECKMAN KIRKLAND & WHITNEY] Consent of Independent Auditors We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 333-04815) pertaining to the Datametrics Corporation Employee Qualified Stock Purchase Plan of our report dated March 26, 1998, with respect to the financial statements of the Datametrics Corporation Employee Qualified Stock Purchase Plan included in this Annual Report (Form 11-K) for the period ended December 31, 1997. /s/ Beckman Kirkland & Whitney Woodland Hills, California March 26, 1998 1