ECM Motors and the Air balancing Technician

You get what you ask for from a compact direct-drive blower. 2) Power usage - The power usage of the motor is only that which is necessary to meet the needs. In the above mentioned test, power consumption ranged from .08 amps when delivering 1200 CFM at .03” Static pressure, to just over 8 amps at 2400 CFM and 1.25” TESP. ................
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