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	  <link:definition>00000056 - Disclosure - Commitments and Contingencies (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://pro-dex.com/role/Share-basedCompensationDetails" id="Share-basedCompensationDetails">
	  <link:definition>00000057 - Disclosure - Share-Based Compensation (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://pro-dex.com/role/Share-basedCompensationDetails1" id="Share-basedCompensationDetails1">
	  <link:definition>00000058 - Disclosure - Share-Based Compensation (Details 1)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
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	<link:roleType roleURI="http://pro-dex.com/role/Share-basedCompensationDetails2" id="Share-basedCompensationDetails2">
	  <link:definition>00000059 - Disclosure - Share-Based Compensation (Details 2)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://pro-dex.com/role/Share-basedCompensationDetailsNarrative" id="Share-basedCompensationDetailsNarrative">
	  <link:definition>00000060 - Disclosure - Share-Based Compensation (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://pro-dex.com/role/MajorCustomersSuppliersDetailsNarrative" id="MajorCustomersSuppliersDetailsNarrative">
	  <link:definition>00000061 - Disclosure - Major Customers &amp; Suppliers (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://pro-dex.com/role/LossPerShareDetails" id="LossPerShareDetails">
	  <link:definition>00000062 - Disclosure - Loss Per Share (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://pro-dex.com/role/LossPerShareDetailsNarrative" id="LossPerShareDetailsNarrative">
	  <link:definition>00000063 - Disclosure - Loss Per Share (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://pro-dex.com/role/CommonStockDetailsNarrative" id="CommonStockDetailsNarrative">
	  <link:definition>00000064 - Disclosure - Common Stock (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://pro-dex.com/role/SegmentInformationDetails" id="SegmentInformationDetails">
	  <link:definition>00000065 - Disclosure - Segment Information (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://pro-dex.com/role/SubsequentEventsDetailsNarrative" id="SubsequentEventsDetailsNarrative">
	  <link:definition>00000066 - Disclosure - Subsequent Events (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:linkbaseRef xlink:type="simple" xlink:href="pdex-20150630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="pdex-20150630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="pdex-20150630_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="pdex-20150630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links" />
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    <element id="pdex_FortitudeIncomeFundsLLCMember" name="FortitudeIncomeFundsLLCMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="pdex_SummitFinancialResourcesLPMember" name="SummitFinancialResourcesLPMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="pdex_LoanAndSecurityAgreementMember" name="LoanAndSecurityAgreementMember" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="pdex_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="pdex_SegmentInformationTablesAbstract" name="SegmentInformationTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
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</schema>
