膜片式复合压力表螺纹型(膜片SUS316L,填充液态硅胶)第一仪器PK-1 AU75 R3/8 0.25/-0.1MPA S25C SUS304(由制造商校准)
膜片式复合压力表螺纹型(膜片SUS316L,填充液态硅胶)第一仪器PK-1 AU75 R3/8 0.4/-0.1MPA S25C SUS304(厂家校准)