... water/air rotameter, variable area flow meter 1.Accuracy:1.5,2.5 2.Pressure:1.6,2.5,4.0,6 ... using range, high accuracy and low cost. The flow meter is available in local visual reading, data transmissible ... +50°CApplication viscosity:φ15 <5mpa·s; φ25 ~φ100 <250mpa·sConnection: flange:Flange standard: 1.6, 2.5, 4.0, 6. ... 4001,600-16,00015.5178060-6002,500-25,0008.08.1100100-1,0004,000-40,00013.09.5100200-2 ...