<SEC-DOCUMENT>0001437749-18-011329-index.html : 20180606
<SEC-HEADER>0001437749-18-011329.hdr.sgml : 20180606
<ACCEPTANCE-DATETIME>20180606080308
ACCESSION NUMBER:		0001437749-18-011329
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20180606
DATE AS OF CHANGE:		20180606

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-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-225451
		FILM NUMBER:		18882951

	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 MEDICAL INC
		DATE OF NAME CHANGE:	19921123
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3
<SEQUENCE>1
<FILENAME>mlab20180531_s3.htm
<DESCRIPTION>FORM S-3
<TEXT>
Document 1 - file: mlab20180531_s3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>ex_115715.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 2 - file: ex_115715.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>ex_115716.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 3 - file: ex_115716.htm

</DOCUMENT>
</SEC-DOCUMENT>