FLT-03C流量计FLT-03C 美国Omega

　　FLT-03C

　　附属流量管，适用于FL-3000系列转子流量计，多管组件和空气煤气配比调节器

　　FLT Series

　　附属流量管，适用于FL-3000系列转子流量计，多管组件和空气煤气配比调节器

　　Multitube Assemblies

　　Gas ProportionersThe flow tubes shown on this page can be installed into the FL3000, gas proportioning FL-1GP Series or multiple tube FL-2AA Series 150 mm rotameters. Flow capacities shown are based on calibrations with air and water at 21°C (70°F) and 14.7 psia. For other fluids or conditions, the following equations provide rough approximations.

　　GAS

　　Qa = Qg x [G x (Ta/T0) x (P0/Pa)]1/2

　　where:

　　Qa = equivalent air flow scale reading at Standard Conditions

　　Qg = true flow of metered gas

　　G = specific gravity of metered gas

　　Ta = absolute temperature at flow conditions (Kelvin or Rankine)

　　T0 = absolute temperature at standard conditions (294 K or 530°R)

　　Pa = pressure at flow conditions (psia)

　　P0 = pressure at Standard Conditions (14.7 psia)

　　LIQUID

　　Qw = QL x [(df - dw)/(df - dL)) x (dL/dw)]1/2

　　where:

　　Qw = equivalent water flow capacity at Standard Conditions

　　QL = max flow of metered liquid

　　df = density of float selected

　　Glass: 2.53 g/ml

　　Sapphire: 3.98 g/ml

　　Stainless Steel: 8.04 g/ml

　　Carboloy: 14.98 g/ml

　　Tantalum: 16.58 g/ml

　　dL = density of metered liquid, g/ml

　　dw = density of water at Standard Conditions (1.0 g/ml)

　　(note: does not include viscosity effect)

　　150 mm Flowtube, Gas Flow Capacities of Routine Gases

　　Ranges in cc/min, flowtubes have 10:1 range