Cox Precision Turbine Flow Meters

Cox Precision Turbine Flow Meters

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Cox Precision Turbine Flow Meters

Cox Precision Turbine Flow Meters have unprecedented mechanical linearity, resulting in minimizing, or negating, temperature induced viscosity influence. Cox Precision Turbine Meters come with a variety of process fittings, sizes and options to accommodate the requirements of most applications while offering wide flow ranges.
Cox turbine meters provide highly accurate liquid measurement in a compact package. Designed to measure clean fluids, Cox turbine meters use ceramic ball bearings to virtually eliminate friction, providing highly accurate and repeatable measurements, and are available in both single rotor and patented dual rotor configurations. Cox flow monitors and transmitters feature several design configurations while some use  Strouhal-Roshko computations to improve flow meter accuracy by compensating for thermal effects on the meter bore diameter.  Custom packaging is available upon factory consultation.

Exact dual rotor meters:

Pipe size: 1/4 to 4 in. (6.35 to 101.6 mm)
Flow range: 0.025 to 1500 gpm (0.095 to 5678 lpm)
Linearity: ± 0.1% of reading, with a flow processor
Absolute accuracy: ± 0.10% of reading
Repeatability: ± 0.02% of reading

Precision single rotor meters:

Pipe size: 1/4…2 in. (6.35 to 50.8 mm)
Flow range: 0.05…310 gpm (0.19 to 1173.5 lpm)
Repeatability: ± 0.02% of reading
Linearity: ± 0.50% (± 0.1% with flow processor)
Frequency output: 1200 to 1500 Hz
Response time: 2 to 3 ms (at 1.2 cSt)

Precision gas meters:

Pipe size: 1/4 to 2 in. (6.35 to 50.8 mm)
Flow range: 0.40 to 250 acfm (0.07 to 424.75 m3/hr)
Repeatability: ± 0.25% of reading
Response time: 20 to 30 ms, or better
Cox Precision Gas Flow Meters are designed for precise and repeatable flow measurement of all compressible fluids, with the added benefit of minimal pressure loss. To accommodate the requirements of most gaseous flow applications, Cox Precision Gas Meters come in a variety of sizes, end fittings and options. The gas models feature three basic rotor designs to compensate for low, medium and high density gas.

Applications:

Virtually any type of clean gas can be measured. Examples of measurable gasses include:
argon
air
helium, oxygen
ammonia
methane
nitrogen
Argon shield gas to produce oxygen-free environment
Compressed air 
Gas injection 
Steel manufacturing 
Nitrogen purge 
Gas refrigerants
Precision LoFlo turbine flow meters:
Pipe size: 3/8 in. (9.5 mm) 
Flow range: 0.006 to 1.25 gpm (0.024 to 4.73 lpm) 
Repeatability: ± 0.25% of reading 
Response time: 20…30 ms, or better (at 1.2 cSt)

Industries Served:

Chemical batching
Fuel measurement & custody transfer 
High-pressure hydraulic fluid measurement 
Test & measurement 
Aerospace