RELIABILITY INCORPORATED Exhibit 23.1 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 333-26659) pertaining to the Reliability Incorporated 1997 Stock Option Plan and in the related Prospectus of our report dated February 6, 1998, with respect to the consolidated financial statements and schedules of Reliability Incorporated included in this Annual Report (Form 10-K) for the year ended December 31, 1997. BY/s/ERNST & YOUNG LLP Houston, Texas March 13, 1998 33