These four points are key to buying a precession vortex gas flowmeter
2021-05-29
Now the scope of use of the precession vortex gas flowmeter is very wide, but in the process of use should consider the actual situation, the following Aister instruments http://www.aistey.com/ how to choose the precession vortex gas flowmeter?
1. traffic restrictions
In addition to the impact of the accuracy level when the precession vortex gas flowmeter is used, there is also the diameter limitation, the diameter of the flowmeter has certain restrictions on the flow rate, the minimum flow rate in the process of use can not be lower than the minimum flow allowed by the instrument, and the maximum flow rate is higher than the maximum flow allowed by the instrument when used. The time of operation in each instrument shall not be less than 8 hours, and the upper limit data of flow limitation shall be selected according to the theoretical data.
2. Pressure loss
Try to choose a flow meter with relatively small pressure loss, because the smaller the pressure loss of the fluid in the process of passing through the turbine gas flow meter, the energy consumed by its input to the output pipeline will gradually decrease, and the total power required will increase, which can save the power required in the operation and reduce the cost of transmission.
3. Accuracy level
The key to choosing a precessional vortex gas flow meter is to consider the accuracy, that is, the higher the accuracy of itself, the higher the sensitivity of the field measurement in the process of use, so we must pay great attention to the selection process of the instrument, from the economic point of view, the large-diameter pipeline will find that the investment is worth it when it is time to settle the instrument. For the occasion where the amount of transmission is relatively large, choose a moderate level of accuracy.
4. Gas density
The occasion used by the precession vortex gas flowmeter itself is the gas environment, the physical properties of the fluid first affect the density of the gas, his influence on the coefficient of the instrument is very large, the first thing is that it should be in the low flow area, if the density of the gas in the process is constantly changing, the flow coefficient of the gas flowmeter should be modified.
When considering the selection of the rotary vortex gas flow meter, the first thing to consider is whether its specifications and models are complex, different manufacturers of product quality is different, the selection process should try to repeatedly compare the relevant standards of the manufacturer and the product, and then make a choice after comparison.
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