EXHIBIT 25.1


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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                           --------------------------

                                    FORM T-1

                         STATEMENT OF ELIGIBILITY UNDER
                      THE TRUST INDENTURE ACT OF 1939 OF A
                    CORPORATION DESIGNATED TO ACT AS TRUSTEE
               Check if an Application to Determine Eligibility of
                     a Trustee Pursuant to Section 305(b)(2)

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                         U.S. BANK NATIONAL ASSOCIATION
               (Exact name of Trustee as specified in its charter)

                                   31-0841368
                       I.R.S. Employer Identification No.

      180 East Fifth Street
       St. Paul, Minnesota                                  55101
- ----------------------------------------                  ----------
(Address of principal executive offices)                  (Zip Code)


                              Earl W. Dennison Jr.
                         U.S. Bank National Association
                          One Federal Street, 3rd Floor
                                Boston, MA 02110
                                 (617) 603-6567
            (Name, address and telephone number of agent for service)

                                PERKINELMER, INC.
                     (Issuer with respect to the Securities)


               Massachusetts                                  04-2052042
- ---------------------------------------------              -------------------
(State or other jurisdiction of incorporation              (I.R.S. Employer
            or organization)                               Identification No.)

          45 William Street
     Wellesley, Massachusetts                                  02481-4078
- ---------------------------------------                        ----------
(Address of Principal Executive Offices)                       (Zip Code)


                   8 7/8 % SENIOR SUBORDINATED NOTES DUE 2013
                       (TITLE OF THE INDENTURE SECURITIES)

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                                    FORM T-1


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ITEM 1.   GENERAL INFORMATION. Furnish the following information as to the
          Trustee.

          a)   Name and address of each examining or supervising authority to
               which it is subject.

                    Comptroller of the Currency
                    Washington, D.C.

          b)   Whether it is authorized to exercise corporate trust powers.
                    Yes

ITEM 2.   AFFILIATIONS WITH OBLIGOR. If the obligor is an affiliate of the
          Trustee, describe each such affiliation.
                    None

ITEMS 3-15     Items 3-15 are not applicable because to the best of the
               Trustee's knowledge, the obligor is not in default under any
               Indenture for which the Trustee acts as Trustee.

ITEM 16.  LIST OF EXHIBITS: List below all exhibits filed as a part of this
          statement of eligibility and qualification.

          1.   A copy of the Articles of Association of the Trustee.*

          2.   A copy of the certificate of authority of the Trustee to commence
               business.*

          3.   A copy of the certificate of authority of the Trustee to exercise
               corporate trust powers.*

          4.   A copy of the existing bylaws of the Trustee.*

          5.   A copy of each Indenture referred to in Item 4. Not applicable.

          6.   The consent of the Trustee required by Section 321(b) of the
               Trust Indenture Act of 1939, attached as Exhibit 6.

          7.   Report of Condition of the Trustee as of December 31, 2002,
               published pursuant to law or the requirements of its supervising
               or examining authority, attached as Exhibit 7.

* Incorporated by reference to Registration Number 333-67188.


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                                      NOTE

     The answers to this statement insofar as such answers relate to what
persons have been underwriters for any securities of the obligors within three
years prior to the date of filing this statement, or what persons are owners of
10% or more of the voting securities of the obligors, or affiliates, are based
upon information furnished to the Trustee by the obligors. While the Trustee has
no reason to doubt the accuracy of any such information, it cannot accept any
responsibility therefor.

                                    SIGNATURE

     Pursuant to the requirements of the Trust Indenture Act of 1939, as
amended, the Trustee, U.S. BANK NATIONAL ASSOCIATION, a national banking
association organized and existing under the laws of the United States of
America, has duly caused this statement of eligibility and qualification to be
signed on its behalf by the undersigned, thereunto duly authorized, all in the
City of Boston, Commonwealth of Massachusetts on the 26th day of March, 2003.


                                            U.S. BANK NATIONAL ASSOCIATION

                                            By: /s/ Earl W. Dennison Jr.
                                               ---------------------------------
                                               Earl W. Dennison Jr.
                                               Vice President


By: /s/ Arthur J. MacDonald
   -----------------------------
Arthur J. MacDonald
Vice President


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                                    EXHIBIT 6
                                    ---------

                                     CONSENT

     In accordance with Section 321(b) of the Trust Indenture Act of 1939, the
undersigned, U.S. BANK NATIONAL ASSOCIATION hereby consents that reports of
examination of the undersigned by Federal, State, Territorial or District
authorities may be furnished by such authorities to the Securities and Exchange
Commission upon its request therefor.

Dated: March 26, 2003


                                            U.S. BANK NATIONAL ASSOCIATION


                                            By: /s/ Earl W. Dennison Jr.
                                               ---------------------------------
                                               Earl W. Dennison Jr.
                                               Vice President


By: /s/ Arthur J. MacDonald
   ---------------------------
Arthur J. MacDonald
Vice President


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                                    EXHIBIT 7
                                    ---------

                         U.S. BANK NATIONAL ASSOCIATION
                        STATEMENT OF FINANCIAL CONDITION
                                AS OF 12/31/2002

                                    ($000'S)



                                                        12/31/2002
                                                       ------------
                                                    
ASSETS
     Cash and Due From Depository Institutions         $ 10,868,204
     Federal Reserve Stock                                        0
     Securities                                          28,139,801
     Federal Funds                                          873,395
     Loans & Lease Financing Receivables                116,078,132
     Fixed Assets                                         1,389,233
     Intangible Assets                                    9,218,064
     Other Assets                                         9,482,963
                                                       ------------
         TOTAL ASSETS                                  $176,049,792

LIABILITIES
     Deposits                                          $121,684,914
     Fed Funds                                            5,858,510
     Treasury Demand Notes                                        0
     Trading Liabilities                                    402,464
     Other Borrowed Money                                17,397,658
     Acceptances                                            148,979
     Subordinated Notes and Debentures                    5,696,532
     Other Liabilities                                    5,200,399
                                                       ------------
     TOTAL LIABILITIES                                 $156,389,456

EQUITY
     Minority Interest in Subsidiaries                 $    992,867
     Common and Preferred Stock                              18,200
     Surplus                                             11,314,669
     Undivided Profits                                    7,334,600
                                                       ------------
         TOTAL EQUITY CAPITAL                          $ 19,660,336

TOTAL LIABILITIES AND EQUITY CAPITAL                   $176,049,792



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