The development of glass rotor flowmeters has been around for hundreds of years. With the development of technology and the different needs, we have developed diversified flowmeters, and more and more types, and it is possible to test the same medium. There are a number of flowmeters that can meet the requirements. For example, electromagnetic flowmeters, vortex flowmeters, and turbine flowmeters can be used when the measurement medium is water. But which one is more suitable? And the price is similar, which kind of glass rotor flowmeter is better? Here is the importance of a selection.
The correct selection of flow meters is a key thing for subsequent use. Each type of flow meter is perfect and can be used normally under any circumstances and under any circumstances. When we choose, we must suddenly have its advantage side. Let the meter play its biggest role, the biggest effect.
For example, in terms of accuracy, electromagnetic flowmeters and vortex flowmeters have higher precision. In terms of price, glass rotor flowmeters are more affordable, but electromagnetic and glass rotor flowmeters are more electromagnetically resistant. Well, the traffic that can be measured is larger, and it has to be considered from the perspective of life, and so on. These are some of the issues that need attention when selecting a model. Let's take a look at some of the elements of the selection.
Glass rotor flowmeter selection elements:
General flowmeter selection can be considered in five aspects, such as instrument performance, fluid properties, installation conditions, environmental conditions, and economic factors.
1. Instrument performance:
Accuracy, repeatability, linearity, range, flow range, signal output characteristics, response time, pressure loss, etc.
2. Fluid characteristics:
Temperature, pressure, density, viscosity, chemical corrosion, abrasiveness, fouling, miscible phase, phase change, electrical conductivity, speed of sound, thermal conductivity, specific heat capacity, etc.;
3. Installation conditions:
Pipe layout direction, flow direction, length of straight pipe section on the upstream and downstream sides of the test piece, pipe diameter, maintenance space, power supply, grounding, auxiliary equipment (filter, getter), installation, etc.
4. Environmental conditions:
Ambient temperature, humidity, electromagnetic interference, safety, explosion protection, pipeline vibration, etc.;
5. Economic factors:
Instrument purchase fee, installation fee, operation fee, calibration fee, maintenance fee, instrument service life, spare parts and so on.
Beijing Jiuzhou Space Science & Trade Co., Ltd. specializes in the production and sales of online soil erosion monitors, portable surface runoff automatic monitors, small watershed sediment automatic monitors, small-diameter sediment automatic monitors, steel ruler water level gauges, automatic rainfall stations, Portable flow meter, portable weather station, soil nutrient speed meter, gas sampling cylinder and other products, welcome new and old customers to come to consult
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