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What are the characteristics of turbine flow meters

 

1, Turbine flow meter High accuracy, generally 0.25% r-0.5% r for liquids, and 0.15% r for high precision types; for gases, generally 1% r-1.5% r, with special models at 0.5% r-1% r, making it one of the more accurate flow meters.
 

 

2, Good repeatability, with short-term repeatability reaching 0.05%-0.2%. Due to the good repeatability of the enterprise, frequent calibration or online data calibration results can achieve extremely high accuracy, making it a preferred choice for flow meters in international trade settlements.

 

Turbine flow meter

 

3, Turbine flow meter Outputs pulse frequency signals, suitable for total measurement and connection with computers, with no zero drift and strong anti-interference capability.

 

4, High-frequency signals (3-4kHz) have strong signal resolution.

 

5, Wide measurement range, medium to large diameter, 40:1-10:1, small diameter 6:1 or 5:1.

 

6, This utility model has a compact and lightweight structure, easy installation and maintenance, and a large circulation volume.

 

7, The turbine flow meter is suitable for high-pressure measurements and can easily create high-pressure instruments without drilling holes in the instrument body.

 

8, Specialized sensor data types are diverse and can be designed for various enterprises based on different user needs, such as low-temperature types, bidirectional types, underground types, and sand-mixing specialized types.

 

9, The turbine flow meter can be made into a plug-in type, suitable for large diameter measurements, with low pressure loss, low cost, uninterrupted flow, and easy installation and maintenance.

 

10, It is difficult to maintain calibration characteristics over the long term, requiring regular verification. For non-lubricating liquids, the presence of suspended or abrasive materials can lead to bearing wear and jamming issues, limiting its application range. The situation has improved with the use of wear-resistant hard alloy shafts and bearings. For trade storage transportation and high precision measurement requirements, it is recommended to equip on-site verification equipment for regular calibration to maintain its characteristics.

 

11, General liquids Turbine flow meter Not suitable for higher viscosity media (except for high viscosity types). As viscosity increases, the lower limit of the flow meter measurement rises, the range decreases, and linearity worsens.

 

12, The physical properties of the fluid (density, viscosity) have a significant impact on the instrument's performance. Gas flow meters are sensitive to density, while liquid flow meters are sensitive to viscosity changes. Since density and viscosity are closely related to temperature and pressure, fluctuations in temperature and pressure on-site are inevitable.

 

13, The turbine flow meter is greatly affected by the flow velocity distribution and distortion of the rotating flow, so long straight pipe sections need to be set on the upstream and downstream sides of the sensor. If installation space is limited, a flow regulator (rectifier) can be installed to shorten the length of the straight pipe section.

 

14, Turbine flow meter Not suitable for measuring pulsating flow and multiphase flow.

 

15, The cleanliness requirements of the measured medium are high, limiting its application fields.

 

16, The flow characteristics of small diameter (DN50 and below) instruments are severely affected by physical properties, making it difficult to improve the performance of small diameter TUF instruments.