CW型双波纹管差压计(以下简称仪表),通常在化工、石油、冶金、电站和轻工业等工艺流程中,与节流装置配合使用,测量液体、蒸汽和气体的流量和差压,还可以测量正压、负压和液位(开口容器和密封容器)。其型号较多。现以银河仪表厂生产的CW—612型双波纹管差压计记录积算仪 CW double bellows differential pressure gauge (hereinafter referred to as instrument), usually in the chemical, petroleum, metallurgy, power stations and light industrial processes, with the throttle device used in conjunction to measure the liquid, steam and gas flow and differential pressure, but also Can measure positive pressure, negative pressure and liquid level (open container and sealed container). Its model more. Is the Galaxy Instrument Factory production of CW-612 double bellows differential pressure recorder totalizer