| 摘要 |
PURPOSE:To measure an air flow quickly and exactly by operating an average flow velocity based on signals from plural sensors. CONSTITUTION:A measuring part 1, a duct 2 including a flow direction adjusting means 3 and a measuring main body 7 including a body for supporting said part is necessary, are shifted to the air discharge inlet 61 of an air conditioner, and positioned so that the opening of the duct 2 can includes the air discharge inlet 61. Preferably, a flange part 22, etc., at the side of the air to be measured introduction end part 21 of the duct 2 are adhered to a ceiling, etc., which is led to the duct 2 and passes through the measuring part 1, is detected, and an arithmetic part 5 operates and processes the air flow in light of the path area, etc., of the air, whereby the air flow entering and discharging through the air port of the air conditioner, etc., is calculated.
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