ADV-C Self-Powered Cable-Channel Acoustic Flow Velocity Sensor
- Product description
- Technical specifications
- Product portfolio
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- ADV-C Self-Powered Cable-Channel Acoustic Flow Velocity Sensor
I. Measurement Principle
The product features a built-in rechargeable battery, enabling standalone operation without an external power source. It employs an underwater ultrasonic Doppler current meter as its core sensor, delivering precise measurements of underwater flow velocity, with data transmitted via a wireless high-frequency (HF) signal. Additionally, the device can be directly mounted on a lead fish, facilitating flow‑velocity measurements in diverse aquatic environments while offering convenient operation and flexible deployment.
It employs a complementary electromagnetic induction charging method to enable fast charging, ensuring both high‑efficiency power delivery and IP68‑rated water resistance, so it can withstand challenging underwater conditions. The sensor features a built-in water‑level sensor that provides real‑time depth readings, along with an automatic depth‑controlled speed measurement function that adjusts dynamically to meet operational needs, significantly enhancing both accuracy and convenience.
II. Main Features
Non-mechanical, with no moving parts, maintenance-free, and capable of being permanently mounted on a lead fish.
Suitable for retrofitting and upgrading cableway systems to enable unattended operation;
Measurement parameter: flow velocity;
Measurement range: 0–10 m/s (higher flow rates can be customized);
Submersible hydrostatic level sensor (with built-in flow velocity – dynamic pressure compensation);
The main housing is made of stainless steel.
Continuous acoustic pulse output, Doppler frequency shift measurement;
Built-in wireless charging battery, featuring a wireless Type-C interface;
Compact size and streamlined design;
It essentially does not disrupt the original flow field distribution.
High measurement accuracy and linearity;
No rotating parts, resistant to silt blockage and aquatic vegetation entanglement;
It can measure low flow velocities; measurements are recommended at 0.006 m/s or higher.
III. Application Scenarios
This front‑mounted current‑velocity sensor is specifically designed for hydrometric cableway flow‑measurement systems. It can be easily and securely mounted directly onto the lead fish, serving as a key component in modernizing and digitizing such systems and significantly enhancing the efficiency and accuracy of hydrological monitoring. Particularly in low‑ to medium‑velocity measurement scenarios, it overcomes longstanding challenges associated with conventional velocity‑measurement methods, effectively addressing critical technological gaps in this area and providing robust assurance for the precise acquisition of hydrological data.
IV. Technical Parameters
Project Parameter Details Flow rate accuracy 1%±0.005 m/s Flow velocity resolution 0.001m/s Dead-zone velocity 0~0.006 m/s Measurement cycle 5 times per second Ultrasonic sensor Single-point, single-beam, 2 MHz, 0° angle Power supply Built-in rechargeable battery: 3.7 VDC / 7200 mAh Charging Wireless Type-C charging port; charging time: approximately 3–4 hours. Battery life A fully charged battery pack lasts 8–9 hours. Wireless output: Standard configuration Wireless high-frequency (HF: 27.045/27.048 MHz, <0.2 W) transmission; the receiving terminal can output via RS‑485. HF antenna Connection cable (bypassing the insulator) Wired output: Special specification Digital output; factory default: simulated hydraulic pitch of 0.1 (1 Hz corresponds to a flow velocity of 0.1 m/s).
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