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Turbine meter scale turbine blade speed changes over flow

by:Sincerity     2021-02-19
Abstract: the turbine blades of turbine meter scale speed changes over flow of information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Turbine flowmeter of turbine blade speed changes over flow of turbine flowmeter impeller has an available flow velocity range. In the velocity range under a third of the shaft and bearing, the influence of exceed 1/3 for velocity of rear axle and bearing with the increase of flow velocity. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the turbine meter scale of turbine blade speed changes over flow of the article details. Turbine flowmeter of turbine blade speed changes over flow of turbine flowmeter impeller has an available flow velocity range. In the velocity range under a third of the shaft and bearing, the influence of more than 1/3 of the rear axle and bearing for velocity affects the linear increase gradually with the increase of flow velocity, flow rate to apply on the period beyond the precision requirement, increase the influence of the shaft and bearing again. Magnetic circuit of the magnetic resistance change, thus induced signal. Signal amplifier amplification and plastic, to counter or frequency meter, shows the overall flow integrating. The pulse frequency after frequency - at the same time Voltage conversion to indicate a transient flow. The impeller speed is proportional to the flow, the amount of the impeller revolutions is proportional to the flow through. The output of the turbine flowmeter is a frequency modulation signal, not only improves the anti-interference of detection circuit, and simplify the traffic detection system. In its range than up to now, precision & plusmn; 0. Less than 2%. The inertial time constant of small size and small turbine flowmeter can reach 0. 01 seconds. By flow impact turbine blade body, make the turbine to rotate, the turbine speed changes along with the change of flow rate, large flow, the speed of the turbine is also big, then through magnetoelectricity conversion device of the turbine speed is converted to the corresponding frequency pulses of electricity, after preamplifier amplification into display instrument to count and, according to the number of pulses per unit time and the cumulative pulse number can be calculated instantaneous flow and cumulative flow. Should probe is detecting the movement of the rotating body and put it into digital pulse signal, the electromagnetic coil voltage output value is close to sine curve, the pulse signal frequency range with size measurement of flow of a linear change, the typical range of 10:1, transcribed and 100:1 three kinds of specifications. Electromagnetic coil resistance is generally less than 2000 & Omega; That is greater than the value may be damaged. By the turbine turbine flowmeter, bearing, front of expander, show appearance. By flow impact turbine blade body, make the turbine to rotate, the turbine speed changes along with the change of flow and the flow is big, the speed of the turbine is also big, then through magnetoelectricity conversion devices convert turbine speed for the corresponding frequency pulses of electricity, the front amplifier expanded, manifest into appearance to count and, according to the number of pulses per unit time and the cumulative instantaneous flow and cumulative flow pulse number can be calculated. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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