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TDZC-LWY-M pulse output turbine flowmeter
The TC-LWY-M pulse output turbine flowmeter is based on the principle of torque balance and belongs to the velocity flow instrument. It is particularl
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| TDZC-LW turbine flowmeterDetailed information: |
TDZC-LWY-M pulse output turbine flowmeter
1、 Overview of TDZC-LWY-M Pulse Output Turbine Flow Meter
TDZC-LWY-M pulse output turbine flowmeterBased on the principle of torque balance, it belongs to the speed type flow meter. Sensors have the characteristics of simple structure, lightweight, high accuracy, good reproducibility, sensitive response, easy installation, maintenance and use, and are widely used in petroleum
The chemical, metallurgical, water supply, papermaking and other industries are ideal instruments for flow measurement and energy conservation.Especially suitable for use with secondary display devicesPLCTheDCSWaiting for the computer control system to be used in conjunction, suitable for measuring stainless steel in closed pipelines1Cr18Ni9TiThe2Cr13And corundumAl2O3
Hard alloy is a liquid that does not corrode and has no impurities such as fibers or particles. If matched with display instruments with special functions, quantitative control, over limit alarm, etc. can also be performed.
The sensor is suitable for viscosity less than at operating temperature 5×10 m /sFor media with viscosity greater than 5×10 m /sThe liquid,The sensor needs to be calibrated with real liquid before use.
If the user needs a special form of sensor, they can negotiate to place an order. If an explosion-proof sensor is required, please specify it in the order
2、 Measurement principle of TDZC-LWY-M pulse output turbine flowmeter
The fluid flows through the sensor housing. Due to the angle between the blades of the impeller and the flow direction, the impulse of the fluid causes the blades to have a rotational torque. After overcoming the friction torque and fluid resistance, the blades rotate. After the torque is balanced, the speed is stable. Under certain conditions, the speed is proportional to the flow rate. Due to the magnetic conductivity of the blades, they are in the magnetic field of the signal detector (composed of long-lasting magnetic steel and coils). The rotating blades cut the magnetic field lines and periodically change the magnetic flux of the coil, causing electrical pulse signals to be induced at both ends of the coil. This signal is amplified and shaped by the amplifier, forming a continuous rectangular pulse wave with a certain amplitude, which can be transmitted to the display instrument remotely to display the instantaneous flow rate or total amount of the fluid. Pulse frequency within a certain flow rangefInstantaneous flow rate of fluid flowing through the sensorQDirectly proportional, the flow equation is:
Q =3600×f/k
Where:
f——Pulse frequency[Hz]；
k——Instrument coefficient of sensors[1/m ], provided by the verification form；
Q——Instantaneous flow rate of fluid (under working conditions)[m3/h]
3600——Conversion factor
The instrument coefficient of each sensor is filled in the calibration certificate by the manufacturer,kBy setting the value into the corresponding display instrument, the instantaneous flow rate and cumulative total amount can be displayed.
3、 Main parameters and product features of TDZC-LWY-M pulse output turbine flowmeter
2. Medium temperature:-20-+120℃；
3. Ambient temperature-20-+55℃；
4. Can obtain high frequency signals（3-4kHz）Strong signal resolution;
5. Wide range, capable of reaching medium to large diameters1:20The small caliber is1:10；
6. Compact and lightweight structure, easy installation and maintenance, and high circulation capacity;
7. Suitable for high voltage measurement, there is no need to open holes on the instrument body, making it easy to make high voltage instruments;
8. There are various types of specialized sensors that can be designed according to the specific needs of users, such as low-temperature, bidirectional, downhole, sand mixing, etc;
10High * * degree, generally achievable±1%RThe±0.5%RHigh precision type can reach±0.2%R；
12Suitable for total quantity measurement and connection with computers, with no zero drift and strong anti-interference ability;
13Power supply:+5-24VCurrent ≤10mA；
13Transmission distance: The distance between the sensor and the display instrument can reach1000mm.
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