DENNIS K. WILLIAMS

LIMITED POWER OF ATTORNEY FOR
SECTION 16 REPORTING OBLIGATIONS

Know all by these presents, that the undersigned hereby makes, constitutes
and appoints each of Kathryn E. Sena, Robert S. Feit, Patrick J. Farris and
Amy M. Brown, each acting individually, as the undersigned's true and lawful
attorney-in-fact, with full power and authority as hereinafter described on
behalf of and in the name, place and stead of the undersigned to:

(1) prepare, execute, acknowledge, deliver and file Forms 3, 4, and 5
(including amendments thereto) with respect to the securities of AMETEK,
Inc., a Delaware Corporation (the "Company"), with the United States
Securities and Exchange Commission, any national securities exchanges and
the Company, as considered necessary or advisable under Section 16(a) of
the Securities Exchange Act of 1934 and the rules and regulations
promulgated thereunder, as amended from time to time (the "Exchange Act");

(2) seek or obtain, as the undersigned's representative and on the
undersigned's behalf, information on transactions in the Company's securities
from any third party, including brokers, employee benefit plan administrators
and trustees, and the undersigned hereby authorizes any such person to release
any such information to the undersigned and approves and ratifies any such
release of information; and

(3) perform any and all other acts which in the discretion of such attorney-
in-fact are necessary or desirable for and on behalf of the undersigned in
connection with the foregoing.

The undersigned acknowledges that:

(1) this Power of Attorney authorizes, but does not require, each such
attorney-in-fact to act in their discretion on information provided to such
attorney-in-fact without independent verification of such information;

(2) any documents prepared and/or executed by either such attorney-in-fact
on behalf of the undersigned pursuant to this Power of Attorney will be in
such form and will contain such information and disclosure as such attorney-
in-fact, in his or her discretion, deems necessary or desirable;

(3) neither the Company nor either of such attorneys-in-fact assumes (i) any
liability for the undersigned's responsibility to comply with the requirement
of the Exchange Act, (ii) any liability of the undersigned for any failure to
comply with such requirements, or (iii) any obligation or liability of the
undersigned for profit disgorgement under Section 16(b) of the Exchange Act;
and

(4) this Power of Attorney does not relieve the undersigned from responsibility
for compliance with the undersigned's obligations under the Exchange Act,
including without limitation the reporting requirements under Section 16 of
the Exchange Act.

The undersigned hereby gives and grants each of the foregoing attorneys-in-
fact full power and authority to do and perform all and every act and thing
whatsoever requisite, necessary or appropriate to be done in and about the
foregoing matters as fully to all intents and purposes as the undersigned
might or could do if present, hereby ratifying all that each such attorney-
in-fact, for and on behalf of the undersigned, shall lawfully do or cause
to be done by virtue of this Limited Power of Attorney.

This Power of Attorney shall remain in full force and effect until revoked
by the undersigned in a signed writing delivered to each such attorney-in-
fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 27th day of July, 2011.


/s/Dennis K. Williams