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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                 SCHEDULE 13D/A



                    Under the Securities Exchange Act of 1934
                               (Amendment No. 1)*

                               inTEST Corporation
- --------------------------------------------------------------------------------
                                (Name of Issuer)

                          Common Stock, par value $0.01
- --------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                   461147 10 0
                 ---------------------------------------------
                                 (CUSIP Number)

           Hugh T. Regan, Jr., Treasurer and Chief Financial Officer,
           inTEST Corporation, 2 Pin Oak Lane, Cherry Hill, NJ 08003
                                 (609) 424-6886
- --------------------------------------------------------------------------------
            (Name, Address and Telephone Number of Person Authorized
                     to Receive Notices and Communications)

                                  July 7, 1997
- --------------------------------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-l(b)(3) or (4), check the following box [ ].

Check the following box if a fee is being paid with the statement [ ]. (A fee is
not required only if the reporting person: (1) has a previous statement on file
reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent or less of such class.)
(See Rule 13d-7.) N/A

Note: Six copies of this statement, including all exhibits, should be filed with
the Commission. See Rule 13d-l(a) for other parties to whom copies are to be
sent.

*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).


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                                 SCHEDULE 13D/A

- -------------------------------------------------------------------------------
CUSIP No. 461147 10 0                             Page ____ of ____Pages
- -------------------------------------------------------------------------------
    1      NAME OF REPORTING PERSON
           S.S OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

           Alyn R. Holt
- ------------------------------------------------------------------------------
    2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)  [ ] 
                                                                (b)  [ ] 
- ------------------------------------------------------------------------------
    3      SEC USE ONLY
- ------------------------------------------------------------------------------
    4      SOURCE OF FUNDS*
                PF
- ------------------------------------------------------------------------------
    5      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED 
           PURSUANT TO ITEMS 2(d) OR 2(e)                             [ ]
            
- ------------------------------------------------------------------------------
    6      CITIZENSHIP OR PLACE OF ORGANIZATION
                    U.S.A.
- ------------------------------------------------------------------------------
  NUMBER OF    |  7  |   SOLE VOTING POWER                  1,676,256
   SHARES      |     |                                           
BENEFICIALLY   |     |                                      
  OWNED BY     |  8  |   SHARED VOTING POWER                 
   EACH        |     |                                      
 REPORTING     |  9  |   SOLE DISPOSITIVE POWER             1,676,256
PERSON WITH    |     |                                      
               |     |
               | 10  |   SHARED DISPOSITIVE POWER            
- ------------------------------------------------------------------------------
   11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
          1,676,256  
- ------------------------------------------------------------------------------
   12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
          CERTAIN SHARES*                                             [x]
- ------------------------------------------------------------------------------
   13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
          28.4%
- ------------------------------------------------------------------------------
   14     TYPE OF REPORTING PERSON*
          IN
- ------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.




<PAGE>


                                 Schedule 13D/A
                Responses to Items 1-7 and Signature Attestation

Item 1. Security and Issuer

Common Stock, par value $0.01, of inTEST Corporation, a Delaware corporation
(the "Issuer"), the principal executive office of which is 2 Pin Oak Lane,
Cherry Hill, NJ 08003.

Item 2. Identity and Background

a.      Alyn R. Holt

b.      c/o 2 Pin Oak Lane 
        Cherry Hill, NJ 08003

c.      Chairman and Chief Executive Officer of the Issuer

d.      Mr. Holt has not been convicted in a criminal proceeding.

e.      Mr. Holt has not been a party to a civil proceeding of a judicial or
        administrative body of competent jurisdiction, the result of which was
        or is a judgment, decree or final order enjoining future violations of,
        or prohibiting or mandating activities subject to, federal or state
        securities laws or finding any violation with respect to such laws.

f.      Mr. Holt is a citizen of the United States of America.

Item 3. Source and Amount of Funds or Other Consideration

Not applicable. This amendment is filed to report a decrease in the percentage
of the class beneficially owned by Mr. Holt.


Item 4. Purpose of Transaction

This amendment is filed to report the sale by Mr. Holt of 174,411 shares of the
Issuer's Common Stock (the "Shares") in connection with the exercise of an
over-allotment option granted to the underwriters of the Issuer's initial public
offering. Mr. Holt does not have any plans or proposals which relate to or would
result in:

a.      The acquisition by any person of additional securities of the Issuer or
        the disposition of securities of the Issuer;

b.      An extraordinary corporate transaction, such as a merger, reorganization
        or liquidation, involving the issuer or any of its subsidiaries;

c.      A sale or transfer of a material amount of assets of the issuer or any
        of its subsidiaries;


<PAGE>


d.      Any change in the present board of directors or management of the
        issuer, including any plans or proposals to change the number of term of
        directors or to fill any existing vacancies on the board;

e.      Any material change in the present capitalization or dividend policy of
        the issuer;

f.      Any other material change in the issuer's business or corporate
        structure including but not limited to, if the issuer is a registered
        closed-end investment company, any plans or proposals to make any
        changes in its investment policy for which a vote is required by section
        13 of the Investment Company Act of 1940;

g.      Changes in the issuer's charter, bylaws or instruments corresponding
        thereto or other actions which may impede the acquisition of control of
        the issuer by any person;

h.      Causing a class of securities of the issuer to be delisted from a
        national securities exchange or to cease to be authorized to be quoted
        in an inter-dealer quotation system of a registered national securities
        association;

i.      A class of equity securities of the issuer becoming eligible for
        termination of registration pursuant to Section 12(g)(4) of the Act; or

j.      Any action similar to any of those enumerated above.



Item    5. Interest in Securities of the Issuer

a.      Mr. Holt is the beneficial owner of 1,676,256 shares (28.4%) of the
        Issuer's Common Stock. Mr. Holt disclaims beneficial ownership of
        150,427 shares (2.5%) of the Issuer's Common Stock owned by his spouse.

b.      Mr. Holt has sole power to vote and sole power to dispose of all of the
        shares beneficially owned by him.

c.      This amendment is filed to report the sale by Mr. Holt of 174,411 shares
        of the Issuer's Common Stock for $7.50 per share, on July 7, 1997, in
        connection with the exercise of an over-allotment option granted to the
        underwriters of the Issuer's initial public offering as described in the
        Issuer's Registration Statement on Form S-1 which became effective on
        June 17, 1997.

d.      No person is known to have the right to receive or the power to direct
        the receipt of dividends from, or the proceeds from the sale of any of
        the Shares.

e.      Not applicable. 

                                       2


<PAGE>

Item 6. Contracts, Arrangement, Understandings or Relationships with Respect to
Securities of the Issuer

Not applicable.

Item 7. Material to Be Filed as Exhibits

None.

Signature

After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.

  8/5/97                                    /s/ Alyn R. Holt
- -----------                                 --------------------------------
   Date                                     Signature


                                            Alyn R. Holt
                                            --------------------------------
                                            Name




                                        3