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  <xsd:element id="mlab_ThirdPartyOfferingCosts" name="ThirdPartyOfferingCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-12-segment-information-operating-segment-asset-reconciliation-details" name="statement-statement-note-12-segment-information-operating-segment-asset-reconciliation-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-12-segment-information-operating-segment-information-details" name="statement-statement-note-12-segment-information-operating-segment-information-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-12-segment-information-tables" name="statement-statement-note-12-segment-information-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-2-revenue-recognition-contract-liabilities-details" name="statement-statement-note-2-revenue-recognition-contract-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-2-revenue-recognition-disaggregation-of-revenue-details" name="statement-statement-note-2-revenue-recognition-disaggregation-of-revenue-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-2-revenue-recognition-revenues-from-external-customers-details" name="statement-statement-note-2-revenue-recognition-revenues-from-external-customers-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-2-revenue-recognition-tables" name="statement-statement-note-2-revenue-recognition-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-3-fair-value-measurements-fair-value-and-carrying-value-of-the-notes-details" name="statement-statement-note-3-fair-value-measurements-fair-value-and-carrying-value-of-the-notes-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-3-fair-value-measurements-tables" name="statement-statement-note-3-fair-value-measurements-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-4-inventories-net-summary-of-inventories-details" name="statement-statement-note-4-inventories-net-summary-of-inventories-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-4-inventories-net-tables" name="statement-statement-note-4-inventories-net-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-5-goodwill-and-intangible-assets-net-change-in-the-carrying-amount-of-goodwill-details" name="statement-statement-note-5-goodwill-and-intangible-assets-net-change-in-the-carrying-amount-of-goodwill-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-5-goodwill-and-intangible-assets-net-estimated-amortization-expense-details" name="statement-statement-note-5-goodwill-and-intangible-assets-net-estimated-amortization-expense-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-5-goodwill-and-intangible-assets-net-other-intangible-assets-details" name="statement-statement-note-5-goodwill-and-intangible-assets-net-other-intangible-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-5-goodwill-and-intangible-assets-net-tables" name="statement-statement-note-5-goodwill-and-intangible-assets-net-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-6-indebtedness-carrying-amount-of-the-notes-details" name="statement-statement-note-6-indebtedness-carrying-amount-of-the-notes-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-6-indebtedness-interest-expense-on-the-notes-details" name="statement-statement-note-6-indebtedness-interest-expense-on-the-notes-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-6-indebtedness-interest-expense-on-the-notes-details-parentheticals" name="statement-statement-note-6-indebtedness-interest-expense-on-the-notes-details-parentheticals" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-6-indebtedness-tables" name="statement-statement-note-6-indebtedness-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-7-stockholders-equity-allocation-of-sharebased-compensation-details" name="statement-statement-note-7-stockholders-equity-allocation-of-sharebased-compensation-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-7-stockholders-equity-restricted-stock-unit-activity-details" name="statement-statement-note-7-stockholders-equity-restricted-stock-unit-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-7-stockholders-equity-stock-option-and-restricted-stock-unit-award-activity-details" name="statement-statement-note-7-stockholders-equity-stock-option-and-restricted-stock-unit-award-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-7-stockholders-equity-tables" name="statement-statement-note-7-stockholders-equity-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-8-earnings-per-share-antidilutive-securities-excluded-from-computation-of-earnings-per-share-details" name="statement-statement-note-8-earnings-per-share-antidilutive-securities-excluded-from-computation-of-earnings-per-share-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-8-earnings-per-share-computation-of-net-income-per-share-basic-diluted-details" name="statement-statement-note-8-earnings-per-share-computation-of-net-income-per-share-basic-diluted-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-note-8-earnings-per-share-tables" name="statement-statement-note-8-earnings-per-share-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="mlab_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
