Must follow ASHRAE Standard 41.3 , with specific scale intervals for different pressure ranges.
: Includes a new Informative Appendix E for assessing draft risk in displacement ventilation systems. ashrae standard 702006 pdf updated
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: A new Normative Appendix F was added specifically for rotating vane anemometer flow measuring systems. Must follow ASHRAE Standard 41
You can purchase the PDF version of ASHRAE Standard 70-2006 from the ASHRAE website or other online platforms that sell standards and technical documents. Must follow ASHRAE Standard 41.3