Testo 557 Demo and Review
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YouTubeHVAC Know It All
Testo 557 Demo and Review
Check out my demo and review of the Testo 557 digital manifold. Check superheat and subcooling very easily and quickly. Built in pressure temperature chart for many refrigerants. I dunno by grapes (c) copyright 2008 Licensed under a Creative Commons Attribution (3.0) license. http://dig.ccmixter.org/files/grapes/16626 Ft: J Lang, Morusque ...
60.9K viewsMar 24, 2017
Testo 557s Features
Como fazer o vácuo usando o Testo 557s. #arcondicionado
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