TEST CONDITIONS • The Bmax motorized impellers series technical data as shown in this catalogue has been obtained using the nominal voltage supply indicated in the Technical Char- acteristic chart. Pressure Performance. • All Bmax motorized impellers fans have been tested for airfl ow performance in accordance with ISO 5801 and AMCA-210 standards, with dry air at 20ºC, 1,2 kg/m 3 density and at an atmospheric pressure of 760 mmHg. • The airfl ow tests have been conducted with the fans mounted in conjunction with an optimised inlet cone. Sound Level Performance. • The fans have been tested for sound level performance in accordance with ISO-13347-3 standards from the air inlet part of the fan and at the airfl ow / pressure point as indicated in the catalogue. 6