<SEC-DOCUMENT>0000914190-13-000583.txt : 20130830
<SEC-HEADER>0000914190-13-000583.hdr.sgml : 20130830
<ACCEPTANCE-DATETIME>20130830142007
ACCESSION NUMBER:		0000914190-13-000583
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20130828
FILED AS OF DATE:		20130830
DATE AS OF CHANGE:		20130830

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ELECTRO SENSORS INC
		CENTRAL INDEX KEY:			0000351789
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823]
		IRS NUMBER:				410943459
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6111 BLUE CIRCLE DR
		CITY:			MINNETONKA
		STATE:			MN
		ZIP:			55343-9108
		BUSINESS PHONE:		9529300100

	MAIL ADDRESS:	
		STREET 1:		6111 BLUE CIRCLE DR
		CITY:			MINNETONKA
		STATE:			MN
		ZIP:			55343

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Zipoy Michael C.
		CENTRAL INDEX KEY:			0001554829

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-09587
		FILM NUMBER:		131072057

	MAIL ADDRESS:	
		STREET 1:		10900 WAYZATA BOULEVARD
		STREET 2:		SUITE 200
		CITY:			MINNETONKA
		STATE:			MN
		ZIP:			55305
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2013-08-28</periodOfReport>

    <issuer>
        <issuerCik>0000351789</issuerCik>
        <issuerName>ELECTRO SENSORS INC</issuerName>
        <issuerTradingSymbol>ELSE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001554829</rptOwnerCik>
            <rptOwnerName>Zipoy Michael C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>10900 WAYZATA BLVD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>MINNETONKA</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55305</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.15</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2012-07-18</value>
            </exerciseDate>
            <expirationDate>
                <value>2022-07-18</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.66</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2013-08-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>50000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2023-08-28</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>50000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>50000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">10,000 shares vest annually beginning August 28, 2013.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Ryan C. Brauer as Attorney-in-Fact for Michael C. Zipoy pursuant to Power of Attorney filed herewith.</signatureName>
        <signatureDate>2013-08-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>zipoypoa.htm
<DESCRIPTION>ZIPOY POWER OF ATTORNEY
<TEXT>
<HTML><BODY><PRE>POWER OF ATTORNEY



For Executing Forms 3, 4 and 5



 The undersigned hereby constitutes and appoints Bradley D. Slye, Gloria

Grundhoefer, Ryan C. Brauer or Scott Dorfman ("Attorneys-in-Fact"), or any one of

them acting alone, the undersigned's true and lawful attorney-in-fact and agent

with full power of substitution and resubstitution, for the undersigned and in the

undersigned's name, place and stead, in any and all capacities, to sign any or all

Forms 3, 4 or Forms 5 relating to beneficial ownership of securities of Electro-

Sensors, Inc. (the "Issuer"), to file the same, with all exhibits thereto and other

documents in connection therewith, with the Securities and Exchange Commission and

to deliver a copy of the same to the Issuer, granting unto said attorney-in-fact and

agent full power and authority to do and perform each and every act and thing

requisite and necessary to be done in and about the premises, as fully to all

intents and purposes as the undersigned might or could do in person, hereby

ratifying and confirming all said attorney-in-fact and agent, or his or her

substitute or substitutes, may lawfully do or cause to be done by virtue thereof.

The undersigned acknowledges that the foregoing attorney-in-fact, in serving in such

capacity at the request of the undersigned, is not assuming any of the undersigned's

responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.



 This Power of Attorney shall remain in effect until such time as the

undersigned is no longer subject to the provisions of Section 16 of the Securities

Exchange Act of 1934 with respect to securities of the Issuer or until this Power of

Attorney is replaced by a later dated Power of Attorney or revoked by the

undersigned in writing.



 The undersigned hereby indemnifies the Attorneys-in-Fact for all losses and

costs the Attorneys-in-Fact may incur in connection with or arising from the

Attorneys-in-Fact's execution of their authorities granted hereunder, with the

exception of any willful misconduct or gross negligence.



 IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be

executed as of this 25th day of July, 2012.





       /s/ Michael C. Zipoy



















</PRE></BODY></HTML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
