| 摘要 |
<p>A detector tube (6) is supplied with air at an adjustable pressure balanced by at least two adjustable leak flow rates in the conduits 4 and 7 in order to adjust the position of ball (9) in the tube. The possible manual inclination of tube (6) between an extreme vertical position and a position slightly inclined to the horizontal is a complementary means of adjustement. Application to the detection and mesurement of micropressures and micro flow rates.</p> |
