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<P STYLE="font: bold 10pt Times New Roman, Times, Serif; text-align: center; margin-right: 0; margin-left: 0">U.S. Securities and
Exchange Commission</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; text-align: center; margin-right: 0; margin-left: 0">Washington, D.C.
20549</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; text-align: center; margin-right: 0; margin-left: 0">Form 8-K<BR>
Current Report</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-right: 0; margin-left: 0">Pursuant to Section 13
or 15(d) of the Securities and Exchange Act of 1934</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-right: 0; margin-left: 0"><B><U>FEBRUARY 8, 2012<BR>
</U></B>Date of Report (Date of earliest event Reported)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-right: 0; margin-left: 0"><B><U>MESA LABORATORIES,
INC.<BR>
</U></B>(Exact Name of Small Business Issuer as Specified in its Charter)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-right: 0; margin-left: 0">Commission File Number:
0-11740</P>

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    <TD STYLE="padding: 0.75pt; font-size: 10pt; font-weight: bold; text-decoration: underline; text-align: center">COLORADO <BR> (State or other Jurisdiction of <BR> Incorporation or Organization)</TD>
    <TD STYLE="width: 9%; padding: 0.75pt; font-size: 10pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 41%; padding: 0.75pt; font-size: 10pt; font-weight: bold; text-decoration: underline; text-align: center">84-0872291 <BR> (I.R.S. Employer <BR> Identification No.)</TD></TR>
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    <TD STYLE="padding: 0.75pt; font-weight: bold; text-decoration: underline; text-align: center">12100 WEST SIXTH AVENUE, LAKEWOOD, COLORADO <BR> (Address of Principal Executive Offices)</TD>
    <TD STYLE="width: 9%; padding: 0.75pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 41%; padding: 0.75pt; text-align: center">&nbsp;<B><U> 80228 <BR>
</U></B>(Zip Code) </TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-right: 0; margin-left: 0">Issuer&rsquo;s telephone
number, including area code: (303) 987-8000</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-right: 0; margin-left: 0"><B><U>Not Applicable.<BR>
</U></B>(Former name or former address, if changed since last report)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-right: 0; margin-left: 0">Check the appropriate box below if the Form
8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions
(see General Instruction A.2. below):</P>

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    <TD STYLE="width: 5%"><FONT STYLE="font-family: Wingdings 2">&#163;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="width: 95%">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</TD></TR>
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    <TD STYLE="width: 5%"><FONT STYLE="font-family: Wingdings 2">&#163;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="width: 95%">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</TD></TR>
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    <TD STYLE="width: 5%"><FONT STYLE="font-family: Wingdings 2">&#163;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="width: 95%">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</TD></TR>
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    <TD STYLE="width: 5%"><FONT STYLE="font-family: Wingdings 2">&#163;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="width: 95%">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-right: 0; margin-left: 0"><B>ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL
CONDITION. </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-right: 0; margin-left: 0">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant
to the interim guidance provided in Release No. 33-8216, the disclosure being furnished in this Form 8-K is being furnished under
Item 12, &ldquo;Results of Operations and Financial Condition,&rdquo; of form 8-K.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-right: 0; margin-left: 0">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On
February 8, 2012, Mesa Laboratories, Inc. issued a press release describing its results of operations for its fiscal third quarter
ended December 31, 2011. A copy of this press release is attached hereto as Exhibit 99.1 and is incorporated by reference herein.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-right: 0; margin-left: 0"><B>ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.
</B></P>

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    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 5%">d)</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="width: 90%">Exhibits:</TD></TR>
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    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 95%">99.1 Press Release issued February 8, 2012</TD></TR>
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</P>

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<P STYLE="font: bold 10pt Times New Roman, Times, Serif; text-align: center; margin-right: 0; margin-left: 0">SIGNATURES</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-right: 0; margin-left: 0">Pursuant to the requirements of the Securities
Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto
duly authorized.</P>

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    <TD STYLE="width: 28%; padding: 0.75pt; text-align: center">MESA LABORATORIES, INC. <BR> (Issuer)</TD>
    <TD STYLE="width: 4%; padding: 0.75pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 30%; padding: 0.75pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 5%; padding: 0.75pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 33%; padding: 0.75pt; text-align: center">&nbsp;</TD></TR>
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    <TD STYLE="width: 30%; padding: 0.75pt">DATED: February 8, 2012</TD>
    <TD STYLE="width: 5%; padding: 0.75pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 30%; padding: 0.75pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 5%; padding: 0.75pt; text-align: right">BY:</TD>
    <TD STYLE="width: 30%; padding: 0.75pt; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">/s/ John J. Sullivan, Ph.D.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0.75pt">&nbsp;</TD>
    <TD STYLE="padding: 0.75pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 0.75pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 0.75pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 0.75pt">John J. Sullivan, Ph.D.<BR>
        Chief Executive Officer,<BR>
        President and Director</TD></TR>
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<BR STYLE="mso-special-character: line-break">
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<P STYLE="font: bold 10pt Times New Roman, Times, Serif; text-align: center; margin-right: 0; margin-left: 0">INDEX TO EXHIBITS</P>

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    <TD STYLE="width: 30%; padding: 0.75pt; text-decoration: underline">Exhibit No.</TD>
    <TD STYLE="width: 5%; padding: 0.75pt">&nbsp;</TD>
    <TD STYLE="width: 30%; padding: 0.75pt; text-decoration: underline">Description </TD>
    <TD STYLE="width: 5%; padding: 0.75pt">&nbsp;</TD>
    <TD STYLE="width: 30%; padding: 0.75pt; text-decoration: underline">Method of Filing </TD></TR>
<TR STYLE="vertical-align: top">
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    <TD STYLE="padding: 0.75pt">&nbsp;</TD>
    <TD STYLE="padding: 0.75pt; text-decoration: none">&nbsp;</TD>
    <TD STYLE="padding: 0.75pt">&nbsp;</TD>
    <TD STYLE="padding: 0.75pt; text-decoration: none">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding: 0.75pt; text-decoration: underline">99.1</TD>
    <TD STYLE="padding: 0.75pt">&nbsp;</TD>
    <TD STYLE="padding: 0.75pt; text-decoration: underline">Press release dated February 8, 2012</TD>
    <TD STYLE="padding: 0.75pt">&nbsp;</TD>
    <TD STYLE="padding: 0.75pt; text-decoration: underline">Filed herewith</TD></TR>
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{"company-data": {"conformed-name": "MESA LABORATORIES INC /CO", "cik": "0000724004", "assigned-sic": "3823", "irs-number": "840872291", "state-of-incorporation": "CO", "fiscal-year-end": "0331"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-11740", "film-number": "12583410"}, "business-address": {"street1": "12100 W 6TH AVE", "city": "LAKEWOOD", "state": "CO", "zip": "80228", "phone": "3039878000"}, "mail-address": {"street1": "12100 W 6TH AVE", "city": "LAKEWOOD", "state": "CO", "zip": "80228"}, "former-company": {"former-conformed-name": "MESA MEDICAL INC", "date-changed": "19921123"}}
U.S. Securities and
Exchange Commission
Washington, D.C.
20549
Form 8-K
Current Report
Pursuant to Section 13
or 15(d) of the Securities and Exchange Act of 1934
FEBRUARY 8, 2012
Date of Report (Date of earliest event Reported)
MESA LABORATORIES,
INC.
(Exact Name of Small Business Issuer as Specified in its Charter)
Commission File Number:
0-11740
COLORADO
(State or other Jurisdiction of
Incorporation or Organization)
84-0872291
(I.R.S. Employer
Identification No.)
12100 WEST SIXTH AVENUE, LAKEWOOD, COLORADO
(Address of Principal Executive Offices)
80228
(Zip Code)
Issuer's telephone
number, including area code: (303) 987-8000
Not Applicable.
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form
8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions
(see General Instruction A.2. below):
£
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
£
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
£
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
£
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL
CONDITION.
Pursuant
to the interim guidance provided in Release No. 33-8216, the disclosure being furnished in this Form 8-K is being furnished under
Item 12, "Results of Operations and Financial Condition," of form 8-K.
On
February 8, 2012, Mesa Laboratories, Inc. issued a press release describing its results of operations for its fiscal third quarter
ended December 31, 2011. A copy of this press release is attached hereto as Exhibit 99.1 and is incorporated by reference herein.
ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.
d)
Exhibits:
99.1 Press Release issued February 8, 2012
SIGNATURES
Pursuant to the requirements of the Securities
Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto
duly authorized.
MESA LABORATORIES, INC.
(Issuer)
DATED: February 8, 2012
BY:
/s/ John J. Sullivan, Ph.D.
John J. Sullivan, Ph.D.
Chief Executive Officer,
President and Director
INDEX TO EXHIBITS
Exhibit No.
Description
Method of Filing
99.1
Press release dated February 8, 2012
Filed herewith