AOLUBX Rotary Vortex Flowmeter
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- AOLUBX Rotary Vortex Flowmeter
Measurement Principle
The product's flow profile resembles the contour of a Venturi tube. A set of spiral guide vanes is installed on the inlet side. When the fluid enters the flow sensor, the guide vanes force the fluid to generate intense vortex flow. As the fluid enters the diffusion section, the vortex flow is affected by backflow and begins secondary rotation, forming a gyroscopic vortex precession phenomenon. This frequency is proportional to the flow rate and is not affected by the physical properties or density of the fluid. The detection element measures the secondary rotational precession frequency of the fluid, enabling good linearity over a wide flow range. The signal is amplified, filtered, and shaped by a preamplifier into a pulse signal proportional to the flow velocity, then sent along with temperature and pressure detection signals to a microprocessor for integration processing. Finally, the measurement result is displayed on an LCD screen.Main Features
- Built-in pressure, temperature, and flow sensors;
- Compact structure and attractive appearance;
- Equipped with local LCD display;
- Filtering algorithm reduces the impact of pressure fluctuations and pipeline vibrations on measurements;
- No mechanical rotating parts, corrosion-resistant, and highly reliable;
- Low requirements for straight pipe sections;
- Uses dual detection technology to effectively enhance detection signal strength;
- Output signal is linearly related to flow, with options for pulse and standard current output;
- Display head can rotate at multiple angles;
- Easy installation;
- Stable backlight display makes reading easier.
Application Scenarios
Suitable for various gas flow measurements in industries such as petroleum, chemical, electric power, metallurgy, and urban gas supply. It is the preferred product for oilfield and urban natural gas transmission, distribution, metering, and trade settlement.Technical ParametersItem Parameter Details Nominal Diameter and Flow (Unit: m³/h) DN15 (1.2~12), DN20 (1.5~15), DN25 (3~30), DN32 (6~60), DN40 (7~70)
DN50 (10~130), DN65 (16~200), DN80 (30~400), DN100 (50~800), DN125 (90~1000)
DN150 (150-2000), DN200 (360~3600)
Housing Material Stainless steel, cast aluminum Accuracy ±1.5% Medium Temperature -20~80℃ Environmental Conditions -30~65℃, 5%~95% relative humidity, 86~106kPa atmospheric pressure Output Signal 4-20 mA, pulse Power Supply Self-powered version: built-in lithium battery ER26500 (2 years endurance); externally powered version: 24VDC Alarm Output Upper limit, lower limit Display LCD Communication RS485, wireless 4G Protection Level IP65 Signal Interface Explosion-proof version: M20×1.5
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Address：
No.36, Longhui Road, Wujin National Hi-Tech Industrial Development Zone, Jiangsu Province, China
Address：
Building 5 and 11, Fuzhou IoT Industrial Park,
No. 12 Xingye West Road, Mawei District, Fuzhou City
Tel：
+86-13055728858
Email:
aotai03@fjautec.com Mr. Zhou
aotai01@fjautec.com Mr. Liao
aotai02@fjautec.com Mr. Zhang
aotai04@fjautec.com Mr. Chen
Email:
autec@163.com
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