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Standard 135-2001 Interpretation-1 - June 26, 2004 (ref. to the requirements presented in ANSI/ASHRAE Addendum b to ANSI/ASHRAE Standard 135-2001, Section 15.8 ReadRange Service.)
ASHRAE advances the arts and sciences of heating, ventilation, air conditioning and refrigeration to serve humanity and promote a sustainable world. With more than 53,000 members from over 132 nations, ASHRAE is a diverse organization representing building system design and industrial processes professionals around the world.