ASHRAE Standard 41.9 prescribes methods for measuring mass flow rates for refrigerants and refrigerant/lubricant mixtures using calorimeters.
ASHRAE 41.9-2018 History
ASHRAE 41.9-2021
$37.00 $75.00
ASHRAE 41.9-2018
$37.00 $75.00
More Standards PDF
ASCE Manual of Practice No. 74 Fourth Edition
$75.00 $150.00
ASHRAE 153-2021
$37.00 $75.00
ASHRAE 55-2020
$70.00 $140.00
ASHRAE 188-2021
$52.00 $105.00







