This reference standard defines appropriate fan balance quality and operating vibration levels to those who specify, manufacture, use, and maintain fan equipment.
Armin Hauer on 2020-12-01 22:50:00
Section/Figure/Table No.: general
Type of Comment: Editorial
"Weight" is mentioned in 4 places throughout this standard. We mean "mass" in each case.
replace "weight" by "mass" 4 times