Abstract: the intelligent vortex precession gas meter scale information in the application of gas and city gas produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Abstract: the intelligent vortex precession flowmeter is mainly used in petroleum, chemical industry, electric power, metallurgy, urban gas supply measuring various gas flow rate, is the oil and natural gas distribution measurement and trade measurement of the preferred products. This article mainly introduced the intelligence. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a smart precession vortex gas meter scale application in the field and city gas article details. Intelligent vortex precession flowmeter is mainly used in petroleum, chemical industry, electric power, metallurgy, urban gas supply measuring various gas flow rate, is the oil and natural gas distribution measurement and trade measurement of the preferred products. This article mainly introduced the intelligent vortex precession in gas field and the application of city gas, gas flowmeter for everybody to understand. Intelligent vortex precession flowmeter main use: can be widely used in petroleum, chemical industry, electric power, metallurgy, urban gas supply measuring various gas flow rate, is the oil and natural gas distribution measurement and trade measurement of the preferred products. Working principle of the intelligent vortex precession flowmeter: on the entry side was a group of spiral vane, when fluid into the flow sensor, guide vane forcing fluid produced severe swirl flow. When the fluid into the diffuser, vortex flow under the effect of reflux, began to do the second rotation, form the gyro type vortex precession phenomenon. The precession frequency is proportional to the flow size, not influenced by physical properties and fluid density, detecting element quadratic spin precession frequency measurement of fluid can be wide flow rate range for good linearity. Signal amplified by preamplifier, filter, converting plastic is proportional to the velocity of the pulse signal, and then with temperature, pressure and other detection signals are sent to the microprocessor for integrating with processing, zui measurement results displayed on the LCD screen (after The instantaneous flow rate and cumulative flow, pressure and temperature data) 。 Built-in pressure, temperature, flow sensor, safety performance is high, compact structure, beautiful appearance. In situ show that temperature, pressure, the instantaneous flow and cumulative flow. Adopt new and unique signal processing amplifier filtering technology, effectively eliminate the pressure fluctuation and pipeline vibration produced by the jamming signal, greatly improve the anti-interference ability of the flowmeter, small flow has excellent stability. Unique time display and real-time data storage function, no matter what happens, can guarantee the internal data is not lost, * save. The machine power consumption is extremely low, can run on battery power for a long time in, is the ideal without external power supply on-site display instrument. Anti-theft function reliable, has the password protection, prevent parameter changes. Headers can be 180 degrees of rotation at random, convenient installation intelligent precession vortex gas flowmeter in the application of gas flow has very wide, is the natural gas flowmeter measurement zui preferred choice. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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Abstract: the measuring error analysis of rotor flowmeter scale information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. From the principle of measurement of the rotor flow juice, it is by the orifice differential pressure type flowmeter and the turbine flowmeter combination. It is a combination of orifice differential pressure flowmeter measurement error, and error of the turbine transmission system, therefore, the error of the rotor flowmeter may be. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a scale rotor flowmeter measurement error analysis article details. From the principle of measurement of the rotor flow juice, it is by the orifice differential pressure type flowmeter and the turbine flowmeter combination. It is a combination of orifice differential pressure flowmeter measurement error, and error of the turbine transmission system, therefore, the error of the rotor flowmeter may contrast pressure meter error is big, under set conditions of differential pressure type flowmeter measurement error is 1 - 2%, and the error of the rotary flowmeter ji factory for & plusmn; 4%, from the measuring signal conversion or transfer link analysis, rotor flowmeter at least a few of the following error: 1. The throttling orifice plate to produce the error of the instrument is through the orifice throttling. Orifice differential pressure of the delta P make the impeller rotation, that is to say, the orifice differential pressure signal is not from differential pressure transmitter, but by the impeller. So. Instrument does not rule out the error of the differential pressure type flow meter, please. In rotor flowmeter, according to the different flow range, with three different pore diameter d20 orifice, this way is impossible to the orifice differential pressure flowmeter with high precision, because the differential of orifice flowmeter is under the condition of a series of known, carefully designed. Thus it can be seen that the rotor flowmeter throttle orifice error contrast pressure flowmeter. 2. The differential signal is converted into the impeller speed, △p / n) Conversion error measuring signal conversion of the inevitable will produce error, the differential signal into a turbine speed, the conversion error between them may be very big. The differential is the potential energy, to make the impeller rotation, through the nozzle to potential energy into kinetic energy, in the instrument, the relative position of nozzle and nozzle baffle plate slightly change, will affect the speed of the impeller, cause measurement error. 3. Steam flow measurement errors caused by pressure fluctuation instrument shows the mass flow, mass flow not only depends on the fluid velocity, and Hugh density depends on the flow, when steam pressure fluctuations, yan steam density with fluctuations, pressure fluctuation is large, the density fluctuations too big, the resulting flow measurement error. Set up in the rotor flowmeter pressure compensation device, the pressure compensation device is mechanical structure, according to the steam pressure value set in advance. Thus, the compensation mode cannot be effectively correction fluid density, more cannot track fluid density fluctuations. As a result, the steam flow measurement errors caused by pressure fluctuation will exist corresponding. 4. Moisture content in steam flow measurement error caused by rotor flowmeter measurement of saturated vapour is contains water wet steam, as well as differential pressure type flowmeter. Change as a result of the instrument measuring object, which will produce larger error of measurement. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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Abstract: how to identify scale vortex flowmeter is good or bad quality? Information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Vortex street flowmeter product is composed of vortex flow sensor and display instrument, can be used in almost all of gas, liquid and steam flow measurement, measurement and control. Vortex flow sensor without activity, good repeatability, high measurement precision, the output signal. More flow meter manufacturers choose model price quote you are welcome to inquire, here is how to identify vortex flow meter scale quality is good or bad? The article details. Vortex street flowmeter product is composed of vortex flow sensor and display instrument, can be used in almost all of gas, liquid and steam flow measurement, measurement and control. Vortex flow sensor without activity, good repeatability, high measurement precision, the output signal frequency is proportional to the flow rate, etc, its market scale expands rapidly, and the market share is increasing every year. The key technology of vortex flow sensor design lies in three aspects: 1, sensors, table design. When the fluid passes through, produce stable karman vortex street signal; 2, the design of the sensor probe. Piezoelectric crystal encapsulation within the probe, the karman vortex street signal ACTS on the probe, the probe of the piezoelectric crystals electrical signal into a vortex street the vortex signal; 3, amplifying circuit design. The vortex signal amplification, plastic into the corresponding pulse signal of vortex flowmeters are how to distinguish good and bad quality? Small make up today will tell everyone: a, probe: there are two pieces of piezoelectric crystal, used in vibration interference, used to detect. Probe is lead test piece two fuses, probe shell by the vortex tube wall body inserted, through fixed flange fixed on the vortex tube wall body. Probe under 300 ℃ can work normally, zui high resistance to 350 ℃. If the temperature is high, will damage the seal porcelain body, make the probe performance degradation, even damage the probe. We can use a multimeter & other; × 10k” File inspection probe two fuses, shall be the infinity, if there is resistance, probe performance degradation; If under tens of thousand ohms, probe damage. 2, circuit boards, its design is good or not directly related to the vortex signal generated by correctly or not, we can usually generated when the oscilloscope see the flowmeter in the work mode. Other sensors in the production of vortex flowmeter and the table body sealing is quite important, bad sealing table experience leakage, to crackdown test before they go out, and through the calibration device for flow calibration. If under the condition of unsteady flow, vortex flowmeter to measure vortex at the scene of the voltage is stable at around 12 v, if is in measuring the zero line and the frequency of the pulse, look at the stable, and then in diagonal measurement circuit board, usually at about 3 v. Zui after the measurement of the vortex street sensor with two lines of letter can usually oscilloscope see the wave type produced by flowmeter at work. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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How Do Coriolis Meters Work?

Introduction:

Coriolis meters are widely used in various industries for accurate measurement of fluid flow rates. This article explores the working principles of Coriolis meters, their applications, advantages, and limitations.

1. The Basics of Coriolis Meters:

Coriolis meters are a type of flow meter that utilizes the Coriolis effect to measure flow rates. They consist of a U-shaped tube that vibrates at a specific frequency. As fluid flows through the tube, it causes deflection, which is then measured and converted into flow rate data.

2. Principle of Coriolis Effect:

The Coriolis effect states that an object moving in a rotating system experiences a force perpendicular to its motion. In the case of Coriolis meters, when a fluid flows through the vibrating tube, it tries to deflect the tube due to the Coriolis effect.

3. Measurement Technique:

Coriolis meters measure the deflection of the vibrating tube caused by the flowing fluid. The deflection is directly proportional to the mass flow rate. Two sensors located at the inlet and outlet measure the phase difference between the vibrations in the U-shaped tube, allowing for precise measurement.

4. Factors Affecting Accuracy:

Several factors can affect the accuracy of Coriolis meters. Density changes in the fluid, temperature variations, pressure fluctuations, and viscosity differences can all influence the accuracy of the measurement. It is crucial to consider these factors during calibration and maintenance.

5. Applications of Coriolis Meters:

Coriolis meters find applications in various industries, including oil and gas, pharmaceuticals, food processing, chemical manufacturing, and wastewater treatment. They are suitable for measuring both liquids and gases, making them versatile for different processes.

6. Advantages of Coriolis Meters:

Coriolis meters offer several advantages over other flow measurement techniques. Some key advantages include:

- High accuracy: Coriolis meters provide highly accurate and repeatable flow rate measurements.

- Density measurement: These meters can also measure the density of the flowing fluid simultaneously, eliminating the need for an additional sensor.

- Multivariable measurement: Coriolis meters can measure mass flow rate, density, temperature, and sometimes even viscosity, providing comprehensive process data.

- Minimal pressure drop: Coriolis meters have low-pressure drop, reducing energy consumption and ensuring minimal disruption to the overall system.

7. Limitations and Considerations:

While Coriolis meters offer numerous benefits, they also have limitations and considerations to keep in mind:

- High initial cost: Coriolis meters can be more expensive compared to other flow metering technologies. However, their accuracy and versatility justify the investment for many applications.

- Sensitivity to external vibrations: Vibrations from nearby equipment or machinery can affect the accuracy of Coriolis meters. Proper installation and isolation techniques are necessary to minimize these interferences.

- Limited turndown ratio: Coriolis meters may have limitations when it comes to measuring extremely low flow rates. Careful selection and configuration are essential to achieve accurate measurements throughout the desired flow range.

Conclusion:

Coriolis meters are essential tools for precise flow rate measurement in various industries. By utilizing the Coriolis effect, these meters provide accurate and reliable data for process optimization and control. Despite their initial cost and certain limitations, the unique capabilities and advantages of Coriolis meters make them an indispensable asset for industries where precise flow measurement is critical.

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