LWGY threaded turbine flowmeter is the main type of velocity type flowmeter. When the measured fluid flows through the turbine flowmeter sensor, the impeller is forced to rotate under the action of the fluid, and its speed is proportional to the average flow rate of the pipeline. At the same time, the blade periodically cuts the magnetic field lines generated by the electromagnet, changing the magnetic flux of the coil. According to the principle of electromagnetic induction, a pulsating electric potential signal, namely an electric pulse signal, will be induced inside the coil, The frequency of this electrical pulsation signal is proportional to the flow rate of the measured fluid.
LWGY threaded connection turbine flowmeter is a new generation turbine flowmeter with the characteristics of simple structure, lightweight, high accuracy, good reproducibility, sensitive response, and easy installation, maintenance, and use. It is widely used for measuring closed pipelines, and is not corrosive to stainless steel 1Cr18Ni9Ti, 2Cr13, corundum Al2O3, hard alloy, and free of impurities such as fibers and particles.
High precision, generally up to ± 1% R, ± 0.5% R, and high-precision models up to ± 0.2% R;
Good repeatability, such as frequent calibration or online calibration, can achieve extremely high accuracy, and is the preferred flowmeter in trade settlement;
Equipped with three point correction for instrument coefficient, intelligent compensation for instrument coefficient nonlinearity, and capable of on-site correction;
Maintain all valid data for 10 years without loss after power failure;
Wide range, medium to large caliber can reach 1:20, and small caliber can reach 1:10;
Compact and lightweight structure, easy installation and maintenance, and large circulation capacity;
Suitable for high-pressure measurement, there is no need to open holes on the instrument body, making it easy to make high-pressure instruments.
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Executive standards |
turbine flow sensor（JB/T9246-1999） |
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Connection method |
thread |
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accuracy class |
±1%R; ±0.5%R; ±0.2%R（Customization required） |
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Sensor material |
304, 316 stainless steel, etc |
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Conditions of Use |
Medium temperature: -20 ℃~+120 ℃; Environmental temperature: -20 ℃~+60 ℃ |
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Relative humidity: 5% -90%; Atmospheric pressure: 86KPa~106KPa |
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Signal output function |
Pulse signal, 4-20mA signal |
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Communication output function |
RS485 communication; HART protocol, etc |
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Working power supply |
External power supply: 24VDC ± 15%, ripple ≤ ± 5%, suitable for 4-20mA output, pulse output, RS485, etc |
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Internal power supply: 1 set of 3.6V10AH lithium battery, which can operate normally when the battery voltage is between 2.0-3.0V |
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Signal line interface |
Basic type: Hausman connector or built-in three core cable; Explosion proof, internal thread M20 * 1.5 |
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Explosion proof level |
Exia II CT or Exd II BT6 |
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protection grade |
IP65 or higher customizable |
400-800-5768
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