| 摘要 |
In a ventilator part for an aerotechnical installation with an airtight wall (20) traversed by at least one ventilator (2), the suction side inlet and exhaust side outlet of which are located in separate chambers (21, 22) in the airtight wall (20), it is possible to obtain reproducible conditions for measuring the volume capacity, at least one pressure-sensing device (24, 25) with a manometer connection (26, 27) being provided in the region of both sides of the airtight wall (20). |
