<SEC-DOCUMENT>0001437749-18-010796-index.html : 20180529
<SEC-HEADER>0001437749-18-010796.hdr.sgml : 20180529
<ACCEPTANCE-DATETIME>20180529105834
ACCESSION NUMBER:		0001437749-18-010796
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		2
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20171231
</ITEM>
<ITEM>
<ITEM-NUMBER>1.02
<ITEM-PERIOD>20171231
</ITEM>
</RULE>
FILED AS OF DATE:		20180529
DATE AS OF CHANGE:		20180529

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:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-11740
		FILM NUMBER:		18863327

	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>SD
<SEQUENCE>1
<FILENAME>mlab20180525_sd.htm
<DESCRIPTION>FORM SD
<TEXT>
Document 1 - file: mlab20180525_sd.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.01
<SEQUENCE>2
<FILENAME>ex_115456.htm
<DESCRIPTION>EXHIBIT 1.01
<TEXT>
Document 2 - file: ex_115456.htm

</DOCUMENT>
</SEC-DOCUMENT>