1 Exhibit 23.2 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 of National Instruments Corporation of our report dated January 22, 1999 relating to the financial statements, which appears in the Annual Report to Shareholders, which is incorporated in the Annual Report on Form 10-K. /s/ PricewaterhouseCoopers LLP - ------------------------------ PricewaterhouseCoopers LLP Austin, Texas November 24, 1999 -2-