Low cost flow meter ultrasonic clamp on manufacture

Ultrasonic flow meter instantaneous flow fluctuations

Signal strength, large fluctuations in the measurement itself.

Solution: adjust the probe position, improve signal strength, to ensure the signal strength and stability, such as their fluid fluctuations, the location is not good, re-election points to ensure that the former 10D 5D conditions.

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Ultrasonic flowmeter on the pipeline is very strict requirements can not have abnormal sound, otherwise it will affect the measurement error

Ultrasonic propagation in the process, due to impurities in the medium and the media hinder or absorb, its strength will produce attenuation. Whether ultrasonic flow meter or ultrasonic level meter, the received sound intensity have certain requirements, so all kinds of attenuation must be suppressed.

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Digital flow meter nozzle, digital fuel flow meter

Vortex flow meters Features

1. Wide measuring flow range, high accuracy, less pressure loss, high reliability and long-term stability

2. Simple structure, easy installation and maintenance, no moving parts, no mechanical wear 

3. Produced with investment casting technology, robust and with better high temperature and corrosion resistance performance

4. Support pulse and analog output, signal stable and with strong anti interference function

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Vortex flow meter, also know as vortex shedding flowmeters or oscillatory flowmeters, measures the vibrations of the downstream vortexes caused by a barrier in the moving stream.

steam flow meter contains a triangular cylinder as the barrier for whirlpools (vortex) creation.  The rate of vortex forming is proportional to flow velocity. 

Over the years, the product had been applied for many industries including petroleum, chemical, metallurgy, heating power, textile, paper making, electric power and municipal constructions.

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Drinking water flowmeter organic acid flowmetre papermaking flowmeter

Electromagnetic flowmeter defects

Intelligent electromagnetic flowmeter can not measure the conductivity of very low liquid, such as petroleum products and organic solvents. Can not measure the gas, steam and more large bubbles containing the liquid.

General type EMF due to lining materials and electrical insulation material restrictions, can not be used for high temperature liquid; some models for too low temperature at room temperature, due to condensation outside the measuring tube (or cream) and damage insulation.

Of course, electromagnetic flowmeter also has its limitations and shortcomings

(1) can not measure the conductivity of very low liquid, such as petroleum products and organic solvents.

(2) can not measure the gas, steam and contain more large bubbles of liquid. General-purpose electromagnetic flowmeter due to the lining material and electrical insulation material restrictions, can not be used to measure the temperature and pressure of the liquid.

(3) flow rate and speed distribution does not meet the set conditions, will produce a larger measurement error

(4) When the liquid flow rate is too low, it is necessary to enlarge and measure the induced potentials of the same order of magnitude as the interference signal, and the instrument is also prone to zero drift. Therefore, the lower limit of the full-scale flow rate of the electromagnetic flowmeter is generally not less than 0.3 m / s.

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Caustic potash flowmeter Sodium hydroxide flowmeter

Advantages of electromagnetic flowmeter

Electromagnetic flowmeter measurement range, usually 20: 1 ~ 50: 1, optional flow range. Full-value liquid flow rate can be selected within 0.5 ~ 10m / s. Some models can be expanded and reduced in the field as needed (for example, with a 4-digit potentiometer to set the meter constant) without having to be removed for offline calibration.

The flow range of the electromagnetic flowmeter is wider than that of other varieties of flow meters, from a few millimeters to 3m. Can be measured positive and negative two-way flow, can also be measured pulse flow, as long as the pulse frequency is much lower than the excitation frequency. The instrument output is essentially linear.

Easy to choose with the fluid contact material varieties can be applied to corrosive fluids

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Liquid electromagnetic flow meter

Advantages of electromagnetic flowmeter

The measurement channel of the intelligent electromagnetic flowmeter is a smooth straight pipe with a non-blocking flow detector, which is suitable for the measurement of liquid-solid two-phase fluids containing solid particles or fibers such as pulp, coal water slurry, pulp, mud and sewage.

Electromagnetic flowmeter does not produce the pressure loss caused by the detection flow, the resistance of the instrument is only the same length of the pipeline along the resistance, energy-saving effect is significant, for the low resistance loss of large diameter water supply pipe is most suitable.

The volumetric flow rate measured by the electromagnetic flowmeter is not significantly affected by changes in fluid density, viscosity, temperature, pressure and conductivity (as long as above a certain threshold).Compared with most other flow meters, the front straight pipe requires less.

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Barium hydroxide flowmeter barium hydroxide flowmeter

Electromagnetic flowmeter features and applications Compared with other flow meters, electromagnetic flowmeter has its unique advantages and specific applications.

(1) linearity good flow signal and fluid volume flow between the linear relationship. So the instrument has a uniform scale, and the volume flow of the fluid and the physical properties of the media (such as temperature, pressure, viscosity, density, etc.), the flow state has nothing to do. Electromagnetic flowmeter only need to be calibrated with water, can be used to measure the volume of other conductive liquid flow without correction.

(2) The length of the front straight pipe is shorter.

(3) Flow measurement for corrosive fluids.

(4) Measurable pulsating flow

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Textile flow meter hydrofluoric acid ammonium hydroxide HF NH4OH

Electromagnetic flowmeter features and applications Compared with other flow meters, electromagnetic flowmeter has its unique advantages and specific applications.

(1) the pressure loss is small. The measuring catheter is a smooth straight pipe with a non-blocking flow detecting element and movable member, which does not produce a pressure loss due to the detected flow rate. The resistance of the fluid is only the same length of the pipeline along the resistance, energy saving effect is remarkable. No mechanical inertia. The reaction was very sensitive. Suitable for the measurement of large diameter liquid flow rates requiring low resistance losses.

(2) Wide measuring range. The range is usually 20: 1 ~ 50: 1. Up to 100: 1. Wide range of optional measurement. Full-scale liquid flow rate can be 0.5 ~ 10m / s. The flow rate is several tens of cm? / H to several hundred thousand m? / H. Pipe diameter range of 2mm to 3000mm. Some models of the instrument can be in the field according to the need to expand and reduce the flow f, for example, with a 4-digit potentiometer set meter constant), do not have to take off the actual line traffic calibration.

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Sodium salt mud concentrated sulfuric acid flowmeter

By the law of electromagnetic induction we can see. When the conductor moves in the magnetic field and cuts the magnetic field lines. same. In the magnetic field to do the magnetic flux movement of the conductive liquid. When a certain condition is satisfied, the induced potential is proportional to the average flow rate of the conductive liquid in the pipeline. When the diameter of the pipe is constant and the magnetic flux density is constant, there is a linear relationship between the induced potential and the volume flow or the average flow rate of the liquid to be measured. If you insert an electrode on each side of the liquid pipe. Can lead to induced potential. Measure the size of this induced potential, you can get the flow.

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Low cost handed liquid ultrasonic flow meter

Ultrasonic flowmeter transmission medium containing water and other liquid impurities, the flowmeter impulse pipe prone to fluid, the temperature will appear low pressure tube freezing phenomenon, especially in the northern region more common in winter. The solution: the impulse tube to carry out purging or heating with heat

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High accuracy ultrasonic flow meter calibration

Ultrasonic flowmeter probe to use for some time, there will be occasional alarm. Especially when the transmission medium impurities are more, this problem will be more common. Solution: Clean the probe periodically (recommended one year clean-up).

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Vortex Gasoline Flow Meter Flowmeter Factory

When the triangular pillar-shaped vortex generators are arranged in the fluid, regular vortices are generated alternately from both sides of the vortex generators. The vortices are called Karman vortices, and the vortices are asymmetrically arranged downstream of the vortex generators.

A vortex flowmeter is a volumetric flowmeter that measures the volumetric flow of gas, vapor, or liquid, or the volumetric or mass flowrate of a standard, based on the Kármán Vortex Street principle. And can be used as a flow transmitter automation control system.

Vortex Steam Flow Meter is the application of fluid oscillation principle to measure the flow of fluid in the pipeline through the vortex flow transmitter, the triangular column in the vortex of the upper and lower body alternately proportional to the flow rate of two rows of vortex, vortex release frequency and The average velocity of the fluid flowing through the vortex generating body and the feature width of the vortex generating body

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High Quality Precision Vortex Compress Air Flowmeter

1. 

Special flange and straight pipe welding can not be welded with the sensor.

2. 

Install the sensor so that the flow of signs and fluid flow within the pipeline.

3.

Before installing the sensor, the sealing ring must be put in the flange groove. Pressure and temperature measurement point of the location, take the pressure point in the sensor downstream 3 ~ 5DN, the temperature point in the downstream 5 ~ 8DN Department.

4.

When measuring high-temperature media, do not wrap the sensor connection rods with insulating material.

5.

Shielded cable connecting the sensor to, as far as possible away from the interference of strong electromagnetic field occasions. It is absolutely not allowed to lay together with high-voltage cables. Shielded cables should be shortened as far as possible and can not be coiled to reduce distributed inductance. The maximum length should not exceed 200 meters.

6.

Before installing the sensor, the tubing must be cleaned. Rinse the tube of impurities, to avoid blocking the flow through the sensor. The liquid measuring pipe must be filled with the liquid to be tested to prevent the interference of air bubbles.

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River chemical industry electromagnetic environment flowmeter

Kunlun pipeline type electromagnetic flow meter  is inductive meter which measures conductive medium volume flow based on Faraday’s Law of Electromagnetic Induction. Single chip embedded technology, digital excitation and CAN fieldbus are top class. Electromagnetic flow meter outputs 4-20mA signal for record, adjust and control as well as displays on field, widely used in industrial technology and management departments like chemical industry, environmental protection, metallurgy, medicine, papermaking, water supply and drainage. Except general conductive liquid, it can also measure volume flow of mixed liquid, high-viscosity liquid, salt liquid, strong acid and strong alkali liquid etc.

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Sea water pipeline electromagnetic industrial waste water flowmeter

The magnetic flow meter is a kind of measuring instrument based on Faraday law of magnetic induction,which can measure the volume flow of electrically conductive liquid ,seriflux and so on.The structure of flowmeter is simple, function is reliable because there are no transmission parts, the working lifetime is long. 

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Sanitary waste flowmeter lime water flowmeter Water conservancy flowmeter

Sanitary waste flowmeter Features:

1.Various electrode material and lining material, cater anti-corrosive, anti-wear requirements;

2.Sanitary flow meter Adopt special electronic circuit technology, which avoid empty tube effect, that is, automatically back to zero when the tube is empty;

3.No moveable parts, no choke flow parts, almost without additional pressure loss in measurement;

4.Measured result do NOT have relation with media pressure, temperature, density and other physical parameters, so that reach High Accuracy (0.5% of flow rate), High Reliability, Cost-effective;

5.Easily Visible Display, Operation and Maintenance, you will read the standard output signal, after installing and connecting electro source;

6.Compliance to global Market Requirements, Communication Capability( HART optional);

7.Medium: acid-base salt solution, mud, ore pulp, pulp, coal-water slurry, corn steep liquor, fibre slurry, syrup, milk of lime, sewage, water supply and drainage, hydrogen peroxide , beer, wort, various beverage and etc.

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Remote electromagnetic fluoroborate industrial effluent flowmeter

Kunlun series magnetic flow meters have wide range of flow solution with high quality, accurate and reliable products. Our Flow Technologies can provide a solution for virtually all flow applications. The transmitter is robust, cost-effective and suitable for all-round applications and has a ± 0.5% measuring accuracy of the flow rate.

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Fuming nitric acid wasted electroplating waste water flowmeter

Kunlun series wastewater flow meter (magmeters) are component of electromagnetic flow transducer and converter, used for measuring the volumetric flow rate of almost any electrically conductive liquids, as well as sludges, pastes and slurries in pipeline. 

The prerequisite is that the medium must have a certain minimum conductivity. The temperature, pressure, viscosity and density have little influence on the result. Our various magnetic flow transmitters offer reliable operation as well as easy installation and maintenance.

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Magnesium chloride Ferric chloride Flow meter

Magnetic flow meter Application

- Waster water industry: transport networks sewage treatment plants, sludges

- Chemical industry: acids alkalis, dosing applications, abrasive or corrosive mediums

- Metal & mining industry: mediums with a high solid content, like ore or excavator mud

- Water industry: Revenue metering, district metering water abstraction, leakage detection

- Pulp & paper industry: pulp, pastes, sludges & other caustic mediums, liquor, additives, bleaches, colourants

- Food & beverage industry: mixing, dosing and filling of drinks unde r hygienic conditions filling systems applications

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