RELIABILITY INCORPORATED EMPLOYEE STOCK SAVINGS PLAN AND TRUST EXHIBIT 23 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the Registration Statement (Form S-8 No.33-47803) pertaining to the Reliability Incorporated Employee Stock Savings Plan and Trust of our report dated May 10, 2000, with respect to the financial statements and schedules of the Reliability Incorporated Employee Stock Savings Plan and Trust included in this Annual Report (Form 11-K) for the year ended December 31, 1999. /s/ Ernst & Young LLP Ernst & Young LLP Houston, Texas June 6, 2000 11Kex23 13