electrical power input at the reference air volume flow
[EN 13141-4:2021, 3.16]:[EN 13141-7:2021, 3.19]:electrical power input at reference air volume flow, qvref , and reference pressure, pref.
[EN 13141-4:2021, 3.16]:[EN 13141-7:2021, 3.19]:electrical power input at reference air volume flow, qvref , and reference pressure, pref.