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Marine equipment

Full range of Dayu ultrasonic measurement instruments

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24 products matched
M24Hydrophone

M24Hydrophone

超声波仪表物位计
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Suitable for various industrial measurement scenarios
Handheld Depth Sounder S20 Pro+M36 Underwater Obstacle Avoidance Sensor

Handheld Depth Sounder S20 Pro+M36 Underwater Obstacle Avoidance Sensor

超声波仪表物位计
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Suitable for various industrial measurement scenarios
Ten-Beam Ultrasonic Ranging and Obstacle Avoidance Sensor (Underwater)

Ten-Beam Ultrasonic Ranging and Obstacle Avoidance Sensor (Underwater)

超声波仪表物位计
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Suitable for various industrial measurement scenarios
Sixteen-beam Ultrasonic Distance Measurement Obstacle Avoidance Sensor (Underwater)

Sixteen-beam Ultrasonic Distance Measurement Obstacle Avoidance Sensor (Underwater)

超声波仪表物位计
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Suitable for various industrial measurement scenarios
Handheld Depth Sounder S20 Pro+M33 Patch Underwater Obstacle Avoidance Sensor

Handheld Depth Sounder S20 Pro+M33 Patch Underwater Obstacle Avoidance Sensor

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Suitable for various industrial measurement scenarios
M45 Leak Detection Hydrophone

M45 Leak Detection Hydrophone

超声波仪表物位计
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Suitable for various industrial measurement scenarios
Four-beam underwater obstacle avoidance sensor (split type)

Four-beam underwater obstacle avoidance sensor (split type)

超声波仪表物位计
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Suitable for various industrial measurement scenarios
M26 Leak Detection Hydrophone

M26 Leak Detection Hydrophone

超声波仪表物位计
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M26 Hydrophone Sensor. Measurement principle: piezoelectric ceramic is used as the transducer material. The piezoelectric ceramic deforms under sound pressure and, through its piezoelectric effect, produces an electrical signal output. The hydrophone amplifies the signal and converts it into a voltage output. It features small size, simple structure and high sensitivity. The small size and light weight improve the maneuverability and detection capability of sonar carriers. In aquaculture, it monitors the sound of fish and shrimp feeding, and controls the feeder to dispense feed in areas where fish and shrimp gather. It is also used for fish monitoring, position/distance detection, door/window switch status monitoring, and water level monitoring.
M36 Underwater Obstacle Avoidance Sensor (ABS material, aviation plug version)

M36 Underwater Obstacle Avoidance Sensor (ABS material, aviation plug version)

超声波仪表物位计
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M36 underwater Obstacle AvoidanceSensor precise Distance Measurement, stable and reliable. Obtain water depth data within 1 second, replacing manual measurement, improving efficiency by more than 90%. Linked with unmanned boats/drones, achieving fully automatic water area surveying. IP68 protection + corrosion-resistant housing, long-term maintenance-free. No need for divers or survey ships, one person can operate. Supports 24-hour continuous monitoring, suitable for hydrology stations, offshore monitoring stations and other scenarios. Applications: 1. Buoy water depth monitoring. 2. Unmanned boat Obstacle Avoidance. 3. Underwater ROV Obstacle Avoidance. 4. Underwater vehicle Collision Avoidance.
M45 Underwater Obstacle Avoidance Sensor

M45 Underwater Obstacle Avoidance Sensor

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M45 underwater Obstacle AvoidanceSensor50m precise Distance Measurement, IP68 all-weather waterproof. Millisecond response. 485 communication, plug and play. RS485 direct connection to PLC, supports active/passive dual modes, 304 stainless steel housing resists corrosion, IP68 protection handles sediment/algae, temperature compensation eliminates errors. Applied to underwater robot Collision Avoidance, dam upstream underwater detection, submarine pipeline inspection, AUV bottom depth measurement.
M50 Underwater Obstacle Avoidance Sensor (Hydrological Customization)

M50 Underwater Obstacle Avoidance Sensor (Hydrological Customization)

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M50 underwater Obstacle AvoidanceSensor(hydrological custom version)high-precision measurement/100m water depth operation/IP68 protection. Fixed inside the lead fish to measure depth. IP68 protection rating, completely waterproof and dustproof, suitable for underwater robots, unmanned boats and other harsh environments. Low power consumption for long-term operation, suitable for field or long-term underwater monitoring. Stable measurement in large water areas or deep water areas, applicable to reservoirs, large rivers and other scenarios. Integrated lead fish design solves the mismatch between depth measurement and flow measurement. Flow velocity and water depth are integrated on the lead fish, no separate operation required. Avoids the problem that flow velocity and water depth data are not measured at the same time. Flow velocity and water
Ultrasonic Underwater Communication Sensor

Ultrasonic Underwater Communication Sensor

超声波仪表物位计
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Suitable for various industrial measurement scenarios
M33 Patch Underwater Obstacle Avoidance Sensor

M33 Patch Underwater Obstacle Avoidance Sensor

超声波仪表物位计
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M33 patch underwater obstacle avoidance sensor (aluminum housing, direct cable outlet without aviation connector) is waterproof and durable, with more accurate distance measurement, simpler installation, stick-on and ready to use, intelligent obstacle avoidance, saving worry and effort. Works in turbid/flowing water as well, prevents false triggers and saves maintenance, IP68 waterproof without worry of immersion damage, strong anti-interference with stable signal, small size and no space occupation. Underwater robots → reduce collision maintenance costs by 50%. Applications: piston pump cycle count measurement, bottom-mounted on gas cylinders for 24-hour monitoring of liquid level inside gas cylinders, and externally mounted at the bottom of domestic water tanks to measure internal liquid level.
M33 Underwater Obstacle Avoidance Sensor

M33 Underwater Obstacle Avoidance Sensor

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M33 underwater obstacle avoidance sensor is waterproof and durable, precisely measures distance, is stable and reliable, stick-on and ready to use, with intelligent obstacle avoidance that saves worry and effort. It offers fast response and false-trigger prevention, is suitable for complex environments (such as turbid water and dynamic target detection), has IP68 waterproofing, strong anti-interference, compact size, and flexible installation. Applications include underwater robot obstacle avoidance, submersible navigation, aquaculture monitoring, and underwater engineering safety protection.
M70 High-Pressure Resistant Distance Measurement Sensor(Titanium Alloy Material)

M70 High-Pressure Resistant Distance Measurement Sensor(Titanium Alloy Material)

超声波仪表物位计
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M70 high-pressure underwater distance measurement sensor, pressure-resistant to 1500m / seawater corrosion resistant / 485 communication, can operate fully exposed at 1500m underwater. Non-contact measurement is suitable for deep-sea work; both the sensor itself and the aviation connector can withstand the pressure of 1500m water depth. Non-contact measurement provides real-time distance feedback and can withstand long-term working pressure. Range: <50m; Waterproof: 1500m water depth; Blind Zone: <0.50m; Power consumption: <1.2W; Material: seawater corrosion resistant; Accuracy: ±1.0~2.0%. Application scenarios: deep-sea distance measurement, pressure-resistant distance measurement, pressure-resistant obstacle avoidance, deep-sea obstacle avoidance. Measuring range:
M70 High-Pressure-Resistant Depth Sounder

M70 High-Pressure-Resistant Depth Sounder

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M70 High-Pressure Depth Sounder: pressure rating 1500 m / seawater corrosion resistant / 485 communication. Fully operable at 1500 m underwater. Non-contact measurement, suitable for deep-sea work. Both the sensor itself and the aviation connector withstand pressure at 1500 m water depth. Works exposed outside the hull. Withstands pressure over a 360° range. 1. 400 ms: fastest measurement once per 400 ms. 2. 0.10 m: detects 10 cm objects. 3. 1 cm: resolution 1 cm.
Sixteen-Beam Underwater Obstacle AvoidanceSensor. Detail Page_01.jpg

Sixteen-Beam Underwater Obstacle AvoidanceSensor. Detail Page_01.jpg

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16-beam underwater obstacle avoidance sensor with split structure, fast response, and alternating transmission. Wide coverage via 16-direction measurement. The main circuit board is protected inside a sealed compartment; the 16 transducers are connected to the circuit board via cables, allowing users to arrange them at different positions on underwater ROVs and robots as needed. Transducers can be placed at any position on the compartment, or 16 transducers can be arranged around the circumference to measure distances across a full 360°. Per underwater robot design requirements, they can be installed at any position on the robot to obtain data at the most critical locations. 16-channel underwater obstacle avoidance sensor, split structure.
M36 Underwater Obstacle Avoidance Sensor (Customized Version)

M36 Underwater Obstacle Avoidance Sensor (Customized Version)

超声波仪表物位计
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M36 underwater obstacle avoidance sensor has no threads, small size/water-pressure resistance/low power consumption. It is selected for underwater ROV and AUV, non-contact measurement. It can work even in turbid water; with 4 units selected in front, it can cover a 120° range. Non-contact measurement provides real-time feedback of obstacle distance to the ROV, and the ROV flight control system selects an avoidance method.
Handheld Depth Sounder

Handheld Depth Sounder

超声波仪表物位计
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Suitable for various industrial measurement scenarios
3D Point Fish Sonar(Large Volume)

3D Point Fish Sonar(Large Volume)

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The 3D point fish sonar (large volume) floats on the water surface to measure underwater fish schools. It is used for fish farming research and is portable for easy movement. It measures fish schools non-contact and is used to measure underwater reflected signals. Designed for fish farming, the sensor + hardware circuit for fish school measurement is complete, so R&D personnel only need to focus on software algorithms and experiments. It detects fish school position and counts fish quantity.
8 Beam Underwater Obstacle Avoidance Sensor

8 Beam Underwater Obstacle Avoidance Sensor

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Withstands 150m water pressure, IP68, deployable directly in complex waters such as coral reefs and deep-sea mining areas. ±0.5% full-scale accuracy, error <5cm/10m, avoiding emergency stop losses caused by misjudgment. 10.8-26.4V wide voltage, compatible with various power supply systems of ships, robots, monitoring buoys, etc. -20℃~60℃ range, suitable for all climates from polar expeditions to equatorial operations. RS485+ModBus protocol, directly connects to 90% of industrial control systems, zero development cost, options for aviation plug or direct cable outlet, adapts to retrofit needs of old and new equipment, deployment period shortened by 70%.
M80 underwater obstacle avoidance sensor(ABS housing, with aviation plug)

M80 underwater obstacle avoidance sensor(ABS housing, with aviation plug)

超声波仪表物位计
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M80 Underwater Obstacle Avoidance Sensor (ABS housing, with aviation connector), 50-300m ultra-large measuring range covers deep-water requirements, via ultrasonic reflection principle measurement is completed within 1 second, suitable for complex environments such as Marine, rivers, and reservoirs, the housing is resistant to seawater corrosion, ensuring long-term stable operation. 4 application scenarios: unmanned vessel depth sounding, reservoir dam water level Early Warning, buoy-mounted seawater depth measurement, underwater construction distance measurement.
M80 depth sounder(ABS housing, with aviation connector)

M80 depth sounder(ABS housing, with aviation connector)

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M80 depth sounder, 50-300m ultra-large measuring range, covers deep-water requirements. Using ultrasonic reflection principle, measurement is completed within 1 second. Suitable for complex environments such as Marine, rivers, and reservoirs. The housing is resistant to seawater corrosion, ensuring long-term stable operation. One-button installation, fast response, no complex commissioning. 4 application scenarios: unmanned vessel depth sounding, reservoir dam water level Early Warning, buoy-mounted seawater depth measurement, inland waterway depth mapping.
M80 underwater obstacle avoidance sensor(304 housing, with aviation connector)

M80 underwater obstacle avoidance sensor(304 housing, with aviation connector)

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M80 Underwater Obstacle Avoidance Sensor 50-300m ultra-large measuring range. Multi-purpose: covers 50m-300m water depth; IP68 protection + corrosion-resistant housing, long-term maintenance-free. Wide voltage supply, wide applicability. Energy-saving design: power consumption ≤15mA, saving 30% energy compared to traditional sonar equipment. Extreme temperature tolerance: operates at -20℃~60℃, suitable for polar or tropical regions. Multi-media compatibility: can measure clean water and muddy water.