Characteristics Of Turbine Flowmeter
(1) High accuracy The accuracy of the turbine flowmeter is around (0. 5-0.1)%. In the linear flow range, even if the flow rate changes, the cumulative flow accuracy will not decrease. And in a short time, the reproduction of the turbine flowmeter 05%. (2) Range ratio width The turbine flowmeter has a turndown ratio of 8-10. In the same caliber, the maximum flow rate of the turbine flowmeter is greater than many other flowmeters. (3) Strong adaptability The turbine flowmeter can be made into a closed structure, and its speed signal is non-contact measurement, so it is easy to achieve high pressure resistant design. (4) Digital signal output The turbine flowmeter outputs a pulsed digital signal proportional to the flow rate. It has the advantage of not reducing accuracy during transmission, easy to accumulate, and easy to feed into a computer system.
2. Installation and use of turbine flowmeter
(1) Measured medium
The liquid measured by the turbine flowmeter is generally a low viscosity (generally less than 15 × 10-6 m2 / s), low corrosive liquid. The vapor-liquid two-phase flow, the gas-solid two-phase flow, and the rich-solid two-phase flow cannot be measured by the turbine flowmeter.
(2) Installation piping requirements
(3) Signal transmission line
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