<SEC-DOCUMENT>0001104659-22-042743-index.html : 20220405
<SEC-HEADER>0001104659-22-042743.hdr.sgml : 20220405
<ACCEPTANCE-DATETIME>20220405160704
ACCESSION NUMBER:		0001104659-22-042743
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		12
FILED AS OF DATE:		20220405
DATE AS OF CHANGE:		20220405
EFFECTIVENESS DATE:		20220405

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MESA LABORATORIES INC /CO/
		CENTRAL INDEX KEY:			0000724004
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823]
		IRS NUMBER:				840872291
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-264137
		FILM NUMBER:		22806819

	BUSINESS ADDRESS:	
		STREET 1:		12100 W 6TH AVE
		CITY:			LAKEWOOD
		STATE:			CO
		ZIP:			80228
		BUSINESS PHONE:		3039878000

	MAIL ADDRESS:	
		STREET 1:		12100 W 6TH AVE
		CITY:			LAKEWOOD
		STATE:			CO
		ZIP:			80228

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MESA LABORATORIES INC /CO
		DATE OF NAME CHANGE:	19951117

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MESA MEDICAL INC
		DATE OF NAME CHANGE:	19921123
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3ASR
<SEQUENCE>1
<FILENAME>tm2210658-1_s3.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: tm2210658-1_s3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.1
<SEQUENCE>2
<FILENAME>tm2210658d2_ex4-1.htm
<DESCRIPTION>EXHIBIT 4.1
<TEXT>
Document 2 - file: tm2210658d2_ex4-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>3
<FILENAME>tm2210658d2_ex5-1.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 3 - file: tm2210658d2_ex5-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>4
<FILENAME>tm2210658d2_ex23-1.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 4 - file: tm2210658d2_ex23-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>5
<FILENAME>tm2210658d2_ex23-2.htm
<DESCRIPTION>EXHIBIT 23.2
<TEXT>
Document 5 - file: tm2210658d2_ex23-2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-25.1
<SEQUENCE>6
<FILENAME>tm2210658d2_ex25-1.htm
<DESCRIPTION>EXHIBIT 25.1
<TEXT>
Document 6 - file: tm2210658d2_ex25-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>7
<FILENAME>tm2210658d2_ex-filingfees.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 7 - file: tm2210658d2_ex-filingfees.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>lg_mesalabs-4clr.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: lg_mesalabs-4clr.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>tm2210658d2_ex5-1img001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: tm2210658d2_ex5-1img001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>tm2210658d2_ex25-1img001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: tm2210658d2_ex25-1img001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>tm2210658d2_ex25-1img002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: tm2210658d2_ex25-1img002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>tm2210658d2_ex25-1img003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: tm2210658d2_ex25-1img003.jpg

</DOCUMENT>
</SEC-DOCUMENT>