在流量仪表刻度的校验标定中,对流源的流量稳定性要求很高。以往均采用恒液位高位水塔作为恒压水流源,此即水塔法。由于建造高位水塔所需投资多,占据空间及地面大,高度(即压力)亦有限制,一般用户极感不便,甚至难以采用。采用常规自控手段,将稳压与水流源结合在一受压、流通容器内,从而构成容器稳压法代替水塔法,具有投资少、占地小、压力可以较高和可以搬 In the flow meter calibration calibration, the flow of the flow of source stability requirements. In the past have used constant liquid level water tower as a constant pressure water source, that is, water tower method. Due to the high investment required to build the high water tower, occupying space and the ground are large, the height (ie pressure) is also limited. The average user is extremely inconvenient or even difficult to adopt. The use of conventional means of self-control, the regulator and the current source combined with a pressure, the container flow, thus forming the container instead of water pressure regulator method, with less investment, small footprint, the pressure can be higher and can move