The turbine flow meters provide very accurate flow measurement over wide ow range. The accuracyrangs is from ±1I4 to ±112%, and the repeatability is excellent, ranging froin ±0.25% toas good as ±0.02%. The rangeability of turbine meters are generally considered to be between 10: I and 20.: I, however. in low ow ranges, it is often less than 10: 1. The military type turbine meters have hieved rangeabilities greater than I QO: 1. The turbine meters are available in SIZCS ranging from 6.35 to 60 mm and liquid flow ranges from 0.1 to over 50,000
gallons per minute.
The turbine meters are widely used for military applications. They are particularly useful in blending systems for the petroleum industry. They are effective in aero¬pace and airborne applications for energy-fuel and cryogenic (liquid oxygen and itrogen) flow measurements.
The magnetic-pickup coil consists of a permanent magnet with coil wind¬ings which is mounted in close proximity to the rotor but internal to the fluid channel. As each rotor blade passes the magnetic-pickup coil, it generates a volt¬age pulsewhich is a measure of the flow rate. and the total number of pulses give a measure of the total flow
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ReplyDeleteTurbine flow meters are the best flow meters available in wide range at an affordable price for various applications. The post is really informative and well describing the features and specifications of turbine flow meter.
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