... Railroad , Textile. Techniacal SpecificationModel M-40-1 M-50-1 M-80-1 M-100-1M-150-1 Size ... M-50-G-1,M-80-G-1,M-100-G-1,M-150-G-1Meter with mechanical register&printer,strainer,air eliminator M-50-NX ... -1,M-80-NX-1,M ... -100-NX-1Preset Meter with mechanical ...