AOATF-4G Wireless Electromagnetic Flowmeter
- Product description
- Technical specifications
- Product portfolio
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- AOATF-4G Wireless Electromagnetic Flowmeter
◆ Measurement principle
The product employs Faraday’s law of electromagnetic induction to measure the flow rate of conductive liquids or two-phase media. It can typically handle media with a conductivity greater than 20 μS/cm (tap water usually falls within the range of 50–500 μS/cm). A pair of sensing electrodes is mounted on the pipe wall, perpendicular to both the pipe axis and the magnetic field lines generated by the instrument’s coil. As the conductive medium flows, the electrodes detect changes in the induced electromotive force, which is directly proportional to the fluid velocity, thereby enabling measurement of the pipeline flow rate.
◆ Key Features
▶ High measurement accuracy and stable performance;
▶ Fast measurement with a short response time;
▶ Low price;
▶ Aluminum housing;
▶ Copper excitation coil;
▶ Unaffected by variations in medium density, viscosity, temperature, pressure, and electrical conductivity;
▶ Extremely low pressure loss and minimal straight‑pipe length requirements;
▶ An electronic unit specially designed for measuring high-concentration pulp and mineral slurries is available.
▶ Features a three-line LCD display showing percentage flow, instantaneous flow, and cumulative flow.
▶ Supports both forward and reverse flow measurement;
▶ It supports 4G full-network compatibility and wireless IoT functionality.
▶ The selection of lining and electrode materials shall be based on the “Corrosion Performance Reference Table.”
▶ Obtained: Explosion-proof certificate CMA, ZJEX22.0359-NO.22133F40276;
▶ Obtained: Metrological Instrument Type Approval Certificate CPA Minliangji No. 953 issued by the Fujian Administration for Quality and Technical Supervision.
◆ Application scenarios
It is suitable for measuring the flow rate of conductive liquids in industrial settings and, with the addition of wireless communication capabilities, is also widely used in municipal and water‑supply applications.
◆ Technical Specifications
Lining material PTFE (polytetrafluoroethylene), F4 (polytetrafluoroethylene), F46 (fluorinated ethylene propylene), PFA (soluble polytetrafluoroethylene), chloroprene rubber, PU (polyurethane rubber) Electrode
Acid-resistant steel, molybdenum-containing stainless steel, tungsten carbide, HB, HC, titanium, tantalum, platinum–iridium alloy Accuracy
±0.2%, ±0.3%, ±0.5% (standard configuration) Slurry type
MGH14C, dedicated model, high-frequency excitation, for measuring high-concentration, low-slurry and mineral slurries. Measurement range
1500:1 Flow rate setting
<15 m/s Explosion-proof
ExiallCT6 intrinsically safe type, ExdlICT6 flameproof type, Temperature
-40.0~85℃ (direct), with additional accessories such as impulse lines and condensers, the measurement range can be extended. Protection
IP67, customizable to IP68 Structure
Integrated, split, plug-in, submersible Power supply
220VAC, 24VDC Signal Two-wire 4–20 mA, RS485
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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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