EXHIBIT 23

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the following Registration
Statements:

(1)   Registration Statement (Form S-8 No. 333-34789) pertaining to the 1997
      Stock Incentive Plan of AMETEK, Inc.

(2)   Registration Statement (Form S-8 No. 333-80449) pertaining to the 1999
      Stock Incentive Plan of AMETEK, Inc.

(3)   Registration Statement (Form S-8 No. 333-97969) pertaining to the 2002
      Stock Incentive Plan of AMETEK, Inc.

(4)   Registration Statement (Form S-8 No. 333-87491) pertaining to the AMETEK
      Retirement and Savings Plan and AMETEK 401(k) Plan for Acquired Businesses

(5)   Registration Statement (Form S-8 No. 333-91507) pertaining to the AMETEK,
      Inc. Deferred Compensation Plan

(6)   Registration Statement (Form S-3 No. 333-75892) of AMETEK, Inc.

of our reports dated March 1, 2006, with respect to the consolidated financial
statements of AMETEK, Inc., AMETEK, Inc. Management's assessment of the
effectiveness of Internal Control over Financial Reporting of AMETEK, Inc., and
the effectiveness of Internal Control over Financial Reporting of AMETEK, Inc.,
included in the Annual Report (Form 10-K) for the year ended December 31, 2005.

                              /s/ ERNST & YOUNG LLP

Philadelphia, Pennsylvania
March 3, 2006