| 摘要 |
The invention relates to a device for control of the air or gas pressure coming from a compressed source, permitting the establishment of variable pressures in fixed steps called set points. Chamber (1) thus generates the variable pressure steps called set points. Said chamber is connected to the control and reference measuring device. The device comprises an intermediate volume (1) connected to the pressure source (P) and to the atmosphere (PA) by means of two solenoid valves (A and E). The function of the above is controlled by an electronic circuit board (5, 5'), permitting the fine control of the pressure within the chamber by means of a keyboard and a microprocessor. |
