| Customization: | Available |
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| Accuracy: | >±1% |
| Main Application: | Water, Diesel Fuel, Fuel Oil |
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Liquid turbine flowmeter is a kind of precision flow measuring instrument, which can be used to measure the flow and total amount of liquid with the corresponding flow integrating instrument. Liquid turbine flowmeters are widely used in measurement and control systems in petroleum, chemical industry, metallurgy, scientific research and other fields. Liquid turbine flowmeters with sanitary fittings can be used in the pharmaceutical industry.
Turbine flowmeter working principle: Fluid flows through the sensor shell, because the blade of the impeller has a certain angle with the flow direction, the impulse force of the fluid makes the blade have a rotational torque, and after overcoming the friction torque and fluid resistance, the blade rotates, and the rotational speed is stable after the torque is balanced. Under certain conditions, the rotational speed is proportional to the velocity. It is in the magnetic field of the signal detector (composed of magnetic steel and coil), the rotating blade cuts the magnetic field line, and periodically changes the magnetic flux of the coil, so that both ends of the coil are induced by the electrical pulse signal, the signal is amplified by the amplifier, forming a continuous rectangular pulse wave with a certain amplitude, which can be transmitted to the remote display instrument, showing the instantaneous flow and cumulative amount of fluid.
Turbine flowmeter is a kind of speed instrument, which has the advantages of high precision, good repeatability, simple structure, high pressure resistance, wide measuring range, small size, light weight, small pressure loss, long life, simple operation, easy maintenance, etc., used to measure the volume flow and accumulation of low viscosity, no strong corrosion and clean liquid in closed pipelines. It can be widely used in petroleum, chemical industry, metallurgy, organic liquid, inorganic liquid, liquefied gas, urban gas pipe network, pharmaceutical, food, paper and other industries.
| Executive standard | Turbine flow sensor(JB/T9246-1999) |
| Connection mode | Thread, clamp, flange, clamp type |
| Accuracy | ±1%R,±0.5%R,±0.2%R (to be customized) |
| Sensor material | 304, 316 stainless steel, etc |
| Use conditions | Medium temperature:-20ºC~+120ºC Ambient temperature:-20ºC~+60ºC |
| Relative humidity:5%-90% Atmospheric pressure:86Kpa~106Kpa | |
| Signal output function | Pulse signal, 4-20mA signal |
| Communication output function | RS485 communication, HART protocol, etc |
| Working power supply | External power supply: 24VDC±15%, ripple ≤±5%, suitable for 4-20mA output, pulse output, RS485, etc |
| Internal power supply: 1 set of 3.6V10AH lithium battery, the battery voltage can work normally at 2.0-3.0V | |
| Signal line interface | Basic model: Hausmann connector or three-core cable; Explosion-proof type, internal thread M20*1.5 |
| Explosion-proof class | Exia II CT or Exd II BT6 |
| Protection class | IP65 or higher customizable |
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