MACT-II甲烷吸附常数测定仪技术参数 吸附传感器压力检测范围及精度 12Mpa,0.001Mpa，0.2%FS 充气传感器压力检测范围及精度 12Mpa,0.001Mpa，0.2%FS 系统抽真空负压传感器检测范围及精度 0~100KPA,1PA, 0.2%FS 低压量管范围及精度 100CM3,0.2CM3（可并联双路
