PRODUCTS
Thread Vortex Flow Meter
MEASURING PRINCIPLE
The vortex flowmeter is based on the principle of Karman vortex street (Karman vortex street) for measurement. When the fluid passes through the baffle, vortices with opposite rotation directions alternately appear on both sides. Each vortex will produce a low pressure zone, the vortex sensor detects the pressure change and converts it into an electrical pulse signal. The vortex flowmeter measures the flow of liquid, gas and steam by detecting the frequency of the alternating flow of vortices from the baffle. According to proven laws and physics, the frequency of vortex shedding is proportional to the flow velocity.
TECHNICAL DATA
Measured Medium | Liquid, Gas, Steam, Compressed air |
Medium Temp | ’-40℃- 250℃; -40℃- 350℃ (high temperaure probe) |
Nominal Pressure | 1.0MPa-4.0MPa (Other pressure can be customized) |
Accuracy | ±1.5% (gas, steam); 1.0% (liquid) |
Specifications | DN15-DN50(Thread) |
DN15-DN300 (Flange/Tri-clamp) | |
DN200-DN2000(Insertion) | |
Material | Carbon steel, SS304, SS316 |
Power Supply | 12-24VDC or 3.6V battery powered |
Signal Output | Pulse, 4-20 mA, RS485, Hart |
Temperature and pressure compensation: | With or without (optional) |
Flow unit | Nm /h,Nm /m,Nm /s,m /d,m /h,m /m, m3/s,l/h,l/m,l/s,t/d,t/h,t/m,kg/d,kg/h,kg/m,kg/s,g/h,g/m,g/s. |
( Note: Totalizer flow‟s unit based on the flow unit.) | |
Explosion-proof class : | Exd II CT6 GB |
FEATURES
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Higher stability, strong and durable sensor
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It offers very low power consumption, allowing for use in remote areas
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DIN, ANSI, JIS and other flange standards are optional
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The instrument is calibrated on a certified calibration device, and the measurement results are fully traceable
APPLICATION
Vortex flow meter is always used in measuring steam with high temperature, it also can be used in most kinds of gases like nitrogen, methane, hydrogen, air, compressed air. Because of its accurate measurement, it can also be used for gas trade settlement.
It can also measure liquids. We should pay attention to avoid vibration while use vortex flow meter.


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