| 摘要 |
The device for testing spirometers, characterised in that an examined spirometer (1) is connected through a pneumatic muffler (2) and the valve (3) to the container (4), filled with air from the compressor (5). There is a pressure sensor (6) mounted in the container (4). The sensor is connected, through an amplifying system (7), to an analogue-to-digital converter (8) and further on - to a computer (9).
|
