<?xml version="1.0" encoding="us-ascii"?>
<!-- XBRL Generated with XBRLMark Copyright (C) by RR Donnelley -->
<!-- Based on XBRL 2.1 -->
<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" targetNamespace="http://electrorent.com/20121130" xmlns:elrc="http://electrorent.com/20121130" elementFormDefault="qualified" attributeFormDefault="unqualified" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:us-types="http://xbrl.sec.gov/us-types/2011-01-31" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric">
  <annotation>
    <appinfo>
      <link:roleType roleURI="http://electrorent.com/role/SubsequentEventsDetailsTextual" id="SubsequentEventsDetailsTextual">
        <link:definition>0614 - Disclosure - Subsequent Events (Details Textual)</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://electrorent.com/role/SubsequentEvents" id="SubsequentEvents">
        <link:definition>0214 - Disclosure - Subsequent Events</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://electrorent.com/role/AcquisitionsDetailsTextual" id="AcquisitionsDetailsTextual">
        <link:definition>06041 - Disclosure - Acquisitions (Details Textual)</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://electrorent.com/role/Acquisitions" id="Acquisitions">
        <link:definition>0204 - Disclosure - Acquisitions</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://electrorent.com/role/BorrowingsDetails" id="BorrowingsDetails">
        <link:definition>0607 - Disclosure - Borrowings (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://electrorent.com/role/SupplementalCashFlowInformationTables" id="SupplementalCashFlowInformationTables">
        <link:definition>0508 - Disclosure - Supplemental Cash Flow Information (Tables)</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://electrorent.com/role/SupplementalCashFlowInformationDetailsTextual" id="SupplementalCashFlowInformationDetailsTextual">
        <link:definition>06081 - Disclosure - Supplemental Cash Flow Information (Details Textual)</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://electrorent.com/role/SupplementalCashFlowInformationDetails" id="SupplementalCashFlowInformationDetails">
        <link:definition>0608 - Disclosure - Supplemental Cash Flow 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://electrorent.com/role/SupplementalCashFlowInformation" id="SupplementalCashFlowInformation">
        <link:definition>0208 - Disclosure - Supplemental Cash Flow Information</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://electrorent.com/role/IncomeTaxesDetailsTextual" id="IncomeTaxesDetailsTextual">
        <link:definition>0612 - Disclosure - Income Taxes (Details Textual)</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://electrorent.com/role/ComputationOfEarningsPerShareDetails" id="ComputationOfEarningsPerShareDetails">
        <link:definition>0611 - Disclosure - Computation of Earnings 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://electrorent.com/role/SegmentReportingAndRelatedDisclosuresDetailsTextual" id="SegmentReportingAndRelatedDisclosuresDetailsTextual">
        <link:definition>06102 - Disclosure - Segment Reporting and Related Disclosures (Details Textual)</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://electrorent.com/role/SegmentReportingAndRelatedDisclosuresDetails1" id="SegmentReportingAndRelatedDisclosuresDetails1">
        <link:definition>06101 - Disclosure - Segment Reporting and Related Disclosures (Details 1)</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://electrorent.com/role/SegmentReportingAndRelatedDisclosuresDetails" id="SegmentReportingAndRelatedDisclosuresDetails">
        <link:definition>0610 - Disclosure - Segment Reporting and Related Disclosures (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://electrorent.com/role/SalesTypeLeasesDetails1" id="SalesTypeLeasesDetails1">
        <link:definition>06091 - Disclosure - Sales-Type Leases (Details 1)</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://electrorent.com/role/SalesTypeLeasesDetails" id="SalesTypeLeasesDetails">
        <link:definition>0609 - Disclosure - Sales-Type Leases (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://electrorent.com/role/GoodwillAndIntangiblesDetailsTextual" id="GoodwillAndIntangiblesDetailsTextual">
        <link:definition>06063 - Disclosure - Goodwill and Intangibles (Details Textual)</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://electrorent.com/role/GoodwillAndIntangiblesDetails2" id="GoodwillAndIntangiblesDetails2">
        <link:definition>06062 - Disclosure - Goodwill and Intangibles (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://electrorent.com/role/GoodwillAndIntangiblesDetails1" id="GoodwillAndIntangiblesDetails1">
        <link:definition>06061 - Disclosure - Goodwill and Intangibles (Details 1)</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://electrorent.com/role/GoodwillAndIntangiblesDetails" id="GoodwillAndIntangiblesDetails">
        <link:definition>0606 - Disclosure - Goodwill and Intangibles (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://electrorent.com/role/EquityIncentivePlanDetailsTextual" id="EquityIncentivePlanDetailsTextual">
        <link:definition>06051 - Disclosure - Equity Incentive Plan (Details Textual)</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://electrorent.com/role/EquityIncentivePlanDetails" id="EquityIncentivePlanDetails">
        <link:definition>0605 - Disclosure - Equity Incentive Plan (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://electrorent.com/role/AcquisitionsDetails" id="AcquisitionsDetails">
        <link:definition>0604 - Disclosure - Acquisitions (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://electrorent.com/role/FairValueMeasurementsDetails" id="FairValueMeasurementsDetails">
        <link:definition>0603 - Disclosure - Fair Value Measurements (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://electrorent.com/role/BasisOfPresentationDetailsTextual" id="BasisOfPresentationDetailsTextual">
        <link:definition>06013 - Disclosure - Basis of Presentation (Details Textual)</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://electrorent.com/role/BasisOfPresentationDetails2" id="BasisOfPresentationDetails2">
        <link:definition>06012 - Disclosure - Basis of Presentation (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://electrorent.com/role/BasisOfPresentationDetails1" id="BasisOfPresentationDetails1">
        <link:definition>06011 - Disclosure - Basis of Presentation (Details 1)</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://electrorent.com/role/ComputationOfEarningsPerShareTables" id="ComputationOfEarningsPerShareTables">
        <link:definition>0511 - Disclosure - Computation of Earnings Per Share (Tables)</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://electrorent.com/role/SegmentReportingAndRelatedDisclosuresTables" id="SegmentReportingAndRelatedDisclosuresTables">
        <link:definition>0510 - Disclosure - Segment Reporting and Related Disclosures (Tables)</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://electrorent.com/role/SalesTypeLeasesTables" id="SalesTypeLeasesTables">
        <link:definition>0509 - Disclosure - Sales-Type Leases (Tables)</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://electrorent.com/role/GoodwillAndIntangiblesTables" id="GoodwillAndIntangiblesTables">
        <link:definition>0506 - Disclosure - Goodwill and Intangibles (Tables)</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://electrorent.com/role/EquityIncentivePlanTables" id="EquityIncentivePlanTables">
        <link:definition>0505 - Disclosure - Equity Incentive Plan (Tables)</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://electrorent.com/role/AcquisitionsTables" id="AcquisitionsTables">
        <link:definition>0504 - Disclosure - Acquisitions (Tables)</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://electrorent.com/role/FairValueMeasurementsTables" id="FairValueMeasurementsTables">
        <link:definition>0503 - Disclosure - Fair Value Measurements (Tables)</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://electrorent.com/role/BasisOfPresentationPolicies" id="BasisOfPresentationPolicies">
        <link:definition>0401 - Disclosure - Basis of Presentation (Policies)</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://electrorent.com/role/BasisOfPresentationDetails" id="BasisOfPresentationDetails">
        <link:definition>0601 - Disclosure - Basis of Presentation (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://electrorent.com/role/BasisOfPresentationTable" id="BasisOfPresentationTable">
        <link:definition>0501 - Disclosure - Basis of Presentation (Tables)</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://electrorent.com/role/CashAndCashEquivalents" id="CashAndCashEquivalents">
        <link:definition>0202 - Disclosure - Cash and Cash Equivalents</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://electrorent.com/role/BasisOfPresentation" id="BasisOfPresentation">
        <link:definition>0201 - Disclosure - Basis of Presentation</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://electrorent.com/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation">
        <link:definition>00 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://electrorent.com/role/StatementsOfOperations" id="StatementsOfOperations">
        <link:definition>0110 - Statement - Condensed Consolidated Statements of Operations (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://electrorent.com/role/BalanceSheets" id="BalanceSheets">
        <link:definition>0120 - Statement - Condensed Consolidated Balance Sheets (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://electrorent.com/role/BalanceSheetsParenthetical" id="BalanceSheetsParenthetical">
        <link:definition>0121 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://electrorent.com/role/StatementsOfCashFlows" id="StatementsOfCashFlows">
        <link:definition>0130 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://electrorent.com/role/FairValueMeasurements" id="FairValueMeasurements">
        <link:definition>0203 - Disclosure - Fair Value Measurements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://electrorent.com/role/GoodwillAndOtherIntangibleAssets" id="GoodwillAndOtherIntangibleAssets">
        <link:definition>0206 - Disclosure - Goodwill and Intangibles</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://electrorent.com/role/Borrowings" id="Borrowings">
        <link:definition>0207 - Disclosure - Borrowings</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://electrorent.com/role/IncomeTaxes" id="IncomeTaxes">
        <link:definition>0212 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://electrorent.com/role/SalesTypeLeases" id="SalesTypeLeases">
        <link:definition>0209 - Disclosure - Sales-Type Leases</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://electrorent.com/role/ComputationOfEarningsPerShare" id="ComputationOfEarningsPerShare">
        <link:definition>0211 - Disclosure - Computation of Earnings Per Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://electrorent.com/role/CommitmentsAndContingencies" id="CommitmentsAndContingencies">
        <link:definition>0213 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://electrorent.com/role/StockOptionPlansAndEquityIncentivePlan" id="StockOptionPlansAndEquityIncentivePlan">
        <link:definition>0205 - Disclosure - Equity Incentive Plan</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://electrorent.com/role/SegmentReportingAndRelatedDisclosures" id="SegmentReportingAndRelatedDisclosures">
        <link:definition>0210 - Disclosure - Segment Reporting and Related Disclosures</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:type="simple" xlink:href="elrc-20121130_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, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="elrc-20121130_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, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="elrc-20121130_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, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="elrc-20121130_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, all" />
    </appinfo>
  </annotation>
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <import namespace="http://fasb.org/us-gaap/2012-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd" />
  <import namespace="http://xbrl.sec.gov/dei/2012-01-31" schemaLocation="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd" />
  <import namespace="http://xbrl.sec.gov/exch/2012-01-31" schemaLocation="http://xbrl.sec.gov/exch/2012/exch-2012-01-31.xsd" />
  <import namespace="http://xbrl.sec.gov/country/2012-01-31" schemaLocation="http://xbrl.sec.gov/country/2012/country-2012-01-31.xsd" />
  <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <!-- elements -->
  <element id="elrc_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element name="RentalsAndLeases" id="elrc_RentalsAndLeases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element name="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentRentalAndLeaseEquipment" id="elrc_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentRentalAndLeaseEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" />
  <element name="AccumulatedDepreciationDepletionAndAmortizationOtherProperty" id="elrc_AccumulatedDepreciationDepletionAndAmortizationOtherProperty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" />
  <element name="RemeasurementGainLoss" id="elrc_RemeasurementGainLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element name="GainLossOnSaleOfRentalAndLeaseEquipment" id="elrc_GainLossOnSaleOfRentalAndLeaseEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="elrc_MinimumLeasePaymentsReceivableAndNetInvestmentTableTextBlock" name="MinimumLeasePaymentsReceivableAndNetInvestmentTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_RevenuesFromRentalLeaseAndSaleSegmentTableTextBlock" name="RevenuesFromRentalLeaseAndSaleSegmentTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_SellingGeneralAndAdministrativeExpenseMember" name="SellingGeneralAndAdministrativeExpenseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_DerivativeInstrumentsGainLossAbstract" name="DerivativeInstrumentsGainLossAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_DemonstrationEquipment" name="DemonstrationEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="elrc_SupplementalExecutiveRetirementPlanAssets" name="SupplementalExecutiveRetirementPlanAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="elrc_AssetsLiabilitiesRevenuesAndExpensesOfForeignSubsidiaries" name="AssetsLiabilitiesRevenuesAndExpensesOfForeignSubsidiaries" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_PeriodForDemonstrationEquipmentIncludedInOtherAssets" name="PeriodForDemonstrationEquipmentIncludedInOtherAssets" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_BasisOfPresentationTextualAbstract" name="BasisOfPresentationTextualAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_AcquisitionTextualAbstract" name="AcquisitionTextualAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_BusinessAcquisitionPurchasePriceAllocationDeferredTaxNet" name="BusinessAcquisitionPurchasePriceAllocationDeferredTaxNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="elrc_EquityIncentivePlanTextualAbstract" name="EquityIncentivePlanTextualAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_TwoThousandFiveEquityIncentivePlanMember" name="TwoThousandFiveEquityIncentivePlanMember" abstract="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_OldStockOptionsPlanMember" name="OldStockOptionsPlanMember" abstract="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_EmtMember" name="EmtMember" abstract="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_TelogyMember" name="TelogyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_RushComputerRentalsIncMember" name="RushComputerRentalsIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_GoodwillAndIntangiblesTextualAbstract" name="GoodwillAndIntangiblesTextualAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_BorrowingsTextualAbstract" name="BorrowingsTextualAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_RentalAndLeaseEquipmentMember" name="RentalAndLeaseEquipmentMember" abstract="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_DemonstrationEquipmentMember" name="DemonstrationEquipmentMember" abstract="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_RevenuesFromRentalLeaseAndSaleSegmentAbstract" name="RevenuesFromRentalLeaseAndSaleSegmentAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_TestAndMeasurementEquipmentMember" name="TestAndMeasurementEquipmentMember" abstract="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_DataProductsEquipmentMember" name="DataProductsEquipmentMember" abstract="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_RevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasAbstract" name="RevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_NetLongLivedAssetsAbstract" name="NetLongLivedAssetsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_SegmentReportingAndRelatedDisclosuresTextualAbstract" name="SegmentReportingAndRelatedDisclosuresTextualAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_SegmentReportingAndRelatedDisclosuresAdditionalTextualAbstract" name="SegmentReportingAndRelatedDisclosuresAdditionalTextualAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_NumberOfCustomerForReportableSegment" name="NumberOfCustomerForReportableSegment" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_DenominatorAbstract" name="DenominatorAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_RightOfRestrictedStockUnitsOnShares" name="RightOfRestrictedStockUnitsOnShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_ScheduleOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentGainLossInStatementOfFinancialPerformanceTableTextBlock" name="ScheduleOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentGainLossInStatementOfFinancialPerformanceTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_IncreaseDecreaseInBusinessCombinationSeparatelyRecognizedTransactionsRevenuesAndGainsRecognized" name="IncreaseDecreaseInBusinessCombinationSeparatelyRecognizedTransactionsRevenuesAndGainsRecognized" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="elrc_ShareBasedCompensationArrangementByShareBasedPaymentAwardDisclosureAbstract" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardDisclosureAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_CommercialCreditAgreementMember" name="CommercialCreditAgreementMember" abstract="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_RevenueFromRentalsAndLeasesService" name="RevenueFromRentalsAndLeasesService" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="elrc_RevenueFromSalesOfEquipmentAndOtherRevenues" name="RevenueFromSalesOfEquipmentAndOtherRevenues" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="elrc_TaxImpactRealizationLikelihoodPercentage" name="TaxImpactRealizationLikelihoodPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_IncomeTaxesTextualAbstract" name="IncomeTaxesTextualAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_BusinessAcquisitionPurchasePriceAllocationsDeferredTaxLiabilitiesNoncurrent" name="BusinessAcquisitionPurchasePriceAllocationsDeferredTaxLiabilitiesNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="elrc_PreliminaryPurchasePriceAllocationAbstract" name="PreliminaryPurchasePriceAllocationAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_ElectronicTestEquipment" name="ElectronicTestEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="elrc_RentalAndLeaseEquipment" name="RentalAndLeaseEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="elrc_ChangesInCarryingAmountOfGoodwillAndOtherIntangibleAssetsAbstract" name="ChangesInCarryingAmountOfGoodwillAndOtherIntangibleAssetsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_IntangibleAssetsAdditionsIncludingGoodwill" name="IntangibleAssetsAdditionsIncludingGoodwill" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="elrc_SupplementalExecutiveRetirementPlanLiabilities" name="SupplementalExecutiveRetirementPlanLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="elrc_SupplementalCashFlowInformationTextualAbstract" name="SupplementalCashFlowInformationTextualAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_MinimumPercentageOfRevenueAccountedForMajorCustomer" name="MinimumPercentageOfRevenueAccountedForMajorCustomer" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_MinimumPercentageForFairMarketValueOfGrant" name="MinimumPercentageForFairMarketValueOfGrant" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="elrc_SupplementalDisclosuresOfCashPaidRefundedAbstract" name="SupplementalDisclosuresOfCashPaidRefundedAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_TransferOfDemonstrationEquipmentToInventory" name="TransferOfDemonstrationEquipmentToInventory" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="elrc_CostsOfRentalAndLeaseEquipmentExcludingDepreciation" name="CostsOfRentalAndLeaseEquipmentExcludingDepreciation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="elrc_BasisOfPresentationAdditionalTextualAbstract" name="BasisOfPresentationAdditionalTextualAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_SupplementalCashFlowInformationAdditionalTextualAbstract" name="SupplementalCashFlowInformationAdditionalTextualAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_SubsequentEventsTextualAbstract" name="SubsequentEventsTextualAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_OperatingExpensesPolicyTextBlock" name="OperatingExpensesPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_OtherAssetsPolicyTextBlock" name="OtherAssetsPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_OperatingLeasesLeaseTerm" name="OperatingLeasesLeaseTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_CapitalLeaseTerm" name="CapitalLeaseTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_ReductionInSellingGeneralAndAdministrativeExpenses" name="ReductionInSellingGeneralAndAdministrativeExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="elrc_CommonStockSpecialDividendsPerShareDeclared" name="CommonStockSpecialDividendsPerShareDeclared" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_DividendFundedFromCashOnHand" name="DividendFundedFromCashOnHand" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="elrc_DividendFundedByBorrowing" name="DividendFundedByBorrowing" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="elrc_ScheduleOfIntangibleAssetsTable" name="ScheduleOfIntangibleAssetsTable" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" />
  <element id="elrc_ScheduleOfIntangibleAssetsLineItems" name="ScheduleOfIntangibleAssetsLineItems" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
</schema>
