安徽天康压力变送器TK-3051CG3A22A1B3M5K5,4~20mADC+HART,316膜片,螺纹引压式
TK-3051C-TG7A2B21M5B4K5, 4~20mADC+HART,316膜片,螺纹引压式,支架材质304