Vortex flow meter scale measurement accuracy

Abstract: the measuring accuracy of vortex flow meter scale information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Vortex street flowmeter measurement precision instrument coefficient of vortex flowmeter is not affected by measuring dielectric property, this is a big advantage, can use a kind of typical medium calibration and application to other media, provide convenience for solving the problem of calibration equipment. But it should be. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the measurement precision of vortex flow meter scale article details. Vortex street flowmeter measurement precision instrument coefficient of vortex flowmeter is not affected by measuring dielectric property, this is a big advantage, can use a kind of typical medium calibration and application to other media, provide convenience for solving the problem of calibration equipment. But should see because of the liquid, gas velocity range difference is very big, so the frequency range also varies widely. Process of vortex signal amplifier circuit, filter passband, circuit parameters are also different, therefore, the same circuit parameters can not be used in different measuring media. Medium change, circuit parameters should also be changed. The accuracy of the vortex street flowmeter for liquid in roughly & plusmn; 0. r ~ ± 5%; R, 2% for gas in & plusmn; l % R ~ ± R 2%, repeatability is commonly 0. 2% ~ 0. 5%. Due to the low instrument coefficient of vortex flowmeters, the frequency resolution is low, less the greater the diameter, the meter caliber shoulds not be too big ( Below 12) 。 Wide range of degrees is the characteristic of vortex flow meter, but the important thing is that how many minimum flow for. Generally mean velocity of liquid limit of 0. 5 m/s, gas is 4 ~ 5 m/s. Normal flow vortex flowmeter zui 1/2 ~ 2/3 in the normal range. In addition, the gas and liquid density difference is very big, vortex separation when the signal strength is proportional to the density. Therefore signal intensity difference is very big, liquid, gas gain of the amplifier circuit, trigger sensitivity are different, such as piezoelectric charge difference is big, the parameters of the charge amplifier is also different. Even with gas ( Or liquid, steam) As the medium pressure, temperature, density is different, use different flow range, signal strength is different, the circuit parameters to change the same. Therefore a Beijing jing bo sincerity specializing in the production of vortex flowmeter without hardware or software changes, changes with medium or meter caliber is not feasible. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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