<SUBMISSION>
<ACCESSION-NUMBER>0001181431-06-066600
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20061128
<FILING-DATE>20061130
<DATE-OF-FILING-DATE-CHANGE>20061130
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>DIAMETRICS MEDICAL INC
<CIK>0000895380
<ASSIGNED-SIC>3845
<IRS-NUMBER>411663185
<STATE-OF-INCORPORATION>MN
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>2658 PATTON RD
<CITY>ROSEVILLE
<STATE>MN
<ZIP>55113
<PHONE>6516398035
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>2658 PATTON ROAD
<CITY>ROSEVILLE
<STATE>MN
<ZIP>55113
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Chuk Heng
<CIK>0001343051
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-21982
<FILM-NUMBER>061248215
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>310-435-1538
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>3630 S SEPULVEDA BLVD
<STREET2>SUITE 133
<CITY>LOS ANGELES
<STATE>CA
<ZIP>90034
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd137825.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-11-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000895380</issuerCik>
        <issuerName>DIAMETRICS MEDICAL INC</issuerName>
        <issuerTradingSymbol>DMMC.OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001343051</rptOwnerCik>
            <rptOwnerName>Chuk Heng</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6033 W. CENTURY BLVD. SUIT 850</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90045</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO &amp; Secretary</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>.463</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-11-28</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>86698</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-11-28</value>
            </exerciseDate>
            <expirationDate>
                <value>2007-03-15</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>86698</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6983728</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>.7587</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-11-28</value>
                <footnoteId id="F2"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2069109</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-11-28</value>
            </exerciseDate>
            <expirationDate>
                <value>2011-09-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2069109</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6983728</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Ocean Park Advisors, LLC</value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Warrant (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>.7587</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-11-28</value>
                <footnoteId id="F3"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2069109</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-11-28</value>
            </exerciseDate>
            <expirationDate>
                <value>2011-09-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2069109</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6983728</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Ocean Park Advisors, LLC</value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Warrant (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>.7587</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-11-28</value>
                <footnoteId id="F5"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2758812</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F6"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-11-28</value>
            </exerciseDate>
            <expirationDate>
                <value>2011-09-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2758812</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6983728</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Ocean Park Advisors, LLC</value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The option grant was approved by the Board of Directors of the Issuer on August 11, 2006, subject to shareholder approval of the incentive compensation plan under which it was granted. The Issuer's shareholders approved that plan on November 28, 2006.</footnote>
        <footnote id="F2">The option grant was approved by the Board of Directors of the Issuer on September 15, 2006, subject to shareholder approval of the incentive compensation plan under which it was granted. the Issuer's shareholders approved that plan on November 28, 2006. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed to be an admission of beneficial ownership of all of the reported shares.</footnote>
        <footnote id="F3">The warrant was approved by the Board of Directors of the issuer on September 15, 206, subject to shareholder approval of an amendment to the Issuer's Amended and Restated Articles of Incorporation to increase the number of shares of Common Stock the Issuer is authorized to issue. Such amendment was approved by the shareholders on November 28, 2006. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed to be an admission of beneficial ownership of all of the reported shares.</footnote>
        <footnote id="F4">The warrant was issued as consideration to Ocean Park Advisors, LLC for its agreement to convert its Series I Convertible Preferred Stock into common stock and to waive the anti-dilution rights associated with the Series I Convertible Preferred Stock.</footnote>
        <footnote id="F5">The warrant was approved by the Board of directors of the Issuer on September 15, 2006, subject to shareholder approval of an amendment to the Issuer's Amended and Restated Articles of Incorporation to increase the number of shares of Common Stock the Issuer is authorized to issue. Such amendment was approved by the shareholders on November 28, 2006. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed to be an admission of beneficial ownership of all of the reported shares.</footnote>
        <footnote id="F6">The warrant was issued as consideration to Ocean Park Advisors, LLC for its agreement to convert its Series I Convertible Preferred Stock into common stock and  to waive the anti-dilution rights associated with the Series I Convertible Preferred Stock.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Heng Chuk</signatureName>
        <signatureDate>2006-11-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
