The selection of glass rotor flowmeter requires comprehensive consideration of multiple factors such as measurement object, flowmeter performance, price and accuracy, and brand selection. By carefully comparing and evaluating different products and technical solutions, one can choose the glass rotor flowmeter that suits their needs.

1. Measurement object:

It is necessary to specify the type of medium being measured, the pressure level, and the chemical properties. For example, for corrosive media, corrosion-resistant flow meters should be selected.

Flow meters are generally only suitable for one medium, as their calibration is based on a specific medium. Therefore, when selecting, it is necessary to have a clear understanding of the medium to be measured and its characteristics.

2. Flow meter performance:

Considering the influence of temperature and pressure on gas density, as well as the possible measurement errors in different environments, accurate temperature and pressure parameters need to be provided.

The flow range is also an important selection parameter. Usually, the ratio between the minimum and maximum flow rates of a glass rotor flowmeter is 10 times, and the most accurate measurement is achieved when the commonly used flow rate is around 60% of the flow range. Therefore, when selecting, the flow range should be accurately provided.

For the performance of the flowmeter itself, priority can be given to using a needle valve placed on the upper part of the flowmeter, with a larger flow hole, direct flow scale, simple structure, and smaller external dimensions. For small flow ranges, a ball float flowmeter is a good choice because it is stable during measurement, less prone to dust accumulation, highly accurate, and has good interchangeability.

3. Price and Accuracy:

Generally speaking, high-precision flow meters are also expensive. Therefore, when selecting, it is necessary to choose the appropriate instrument accuracy level based on the measurement purpose and fluid accuracy requirements. If only the measurement medium throughput needs to be controlled and maintained after trial operation adjustment, then accuracy may not be the primary consideration.

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4. Brand selection:

When it is difficult to make a decision, you can choose a reputable flowmeter manufacturer for selection to ensure the quality of the product and the reliability of after-sales service, such as Changzhou Xingbang