PerkinElmer, Inc.
                               Power of Attorney

        The undersigned hereby constitutes and appoints each of John L. Healy
and Katherine A. O'Hara, each signing singly and acting individually, the
undersigned's true and lawful attorney-in-fact to:

        (1)     execute for and on behalf of the undersigned, in the
        undersigned's capacity as an officer and/or director of PerkinElmer,
        Inc. (the "Company"), Forms 3, 4 and 5 (including any amendments
        thereto) in accordance with Section 16(a) of the Securities Exchange Act
        of 1934 (the "Exchange Act") and the rules thereunder; and

        (2)     do and perform any and all acts for and on behalf of the
        undersigned that may be necessary or desirable to prepare, complete and
        execute any such Form 3, 4, or 5, or any amendment thereto, and timely
        deliver and file such form or amendment with the United States
        Securities and Exchange Commission and any stock exchange or similar
        authority; and

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

        (4)     take any other action of any type whatsoever in connection with
        the foregoing which, in the opinion of such attorney-in-fact, may be of
        benefit to, in the best interest of, or legally required by, the
        undersigned, it being understood that the documents executed by such
        attorney-in-fact on behalf of the undersigned pursuant to this Power of
        Attorney shall be in such form and shall contain such terms and
        conditions as such attorney-in-fact may approve in such
        attorney-in-fact's discretion.

        The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney and the
rights and powers herein granted. The undersigned acknowledges that neither the
Company nor any of the foregoing attorneys-in-fact, in serving in such capacity
at the request of the undersigned, assume (i) any liability for the
undersigned's responsibility to comply with the requirements of Section 16 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 any profit disgorgement under Section 16(b) of the Exchange Act.

        This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, or 5 with respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless superseded by a Power of Attorney dated after the date hereof or earlier
revoked by the undersigned in a signed writing delivered to the foregoing
attorneys-in-fact.

        IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed this 21st day of February, 2006.

                                        /s/ John A. Roush
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                                        Signature

                                        John A. Roush
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                                        Print Name