Basic Parameters
Buoy type: Streamline oval ball buoyDiameter: 750mm
Buoy material: 316L
Manufacturing process: sheet metal stamping
Net buoyancy: >110KG
Anchor weight: 6.7KG
Sealing method: built-in watertight compartment
Detailed Introduction
2) The power of the external solar power panel of the floating body is 6*10W=60W, and the charging time of 2 hours of normal light can complete the charging of the lithium battery pack inside the buoy. The entire power supply system provides continuous rainy days with more than 260 hours of endurance.
3) The center of gravity of the buoy body is the 316L-material sealed cabin, which is installed with a wave sensor, circuit, acquisition system board, battery, and communication module. The upper half of the buoy is equipped with solar power panels and communication antennas, AIS, warning lights, and warning signs.
4) The buoy can withstand strong typhoons with wind speeds above 60 m/s after strength calculation and has a 15-year service life design. The buoy body is equipped with a large U-ring with a tensile force of not less than 1 ton for connecting torque-free horizontal steel cables. The buoy is fitted with a 360-degree rotating 316L stainless steel ring at the bottom for mounting the anchor system.
2. Sensor
1.Wave height: measuring range (0 ~ 30)m, accuracy ±(0.1+3%×H)m
2. Wave cycle: measuring range (2 ~ 25) s, accuracy ±0.5s
3. Wave direction: measuring range (0 ~ 360) °, accuracy ±3°
4. Wave energy spectrum, wave direction spectrum
5. Wind/surge height: measuring range: (0 ~ 30)m, accuracy ±(0.1+ 3% ×H)m;
6. Wind/surge period: measuring range: (2 ~ 25) s, accuracy ±0.25s
7. Wind/surge direction: measuring range: (0 ~ 360) °, accuracy ±3°

1.Solar power supply
2.Visual distance ≥5 nautical miles
3.Waterproof grade: IP68
4. Weight :1.75kg
5. Life: ≥3 years

1.AIS: solar power supply
2.Visual communication distance ≥3 nautical miles
3. Waterproof grade: IP68
4. Weight :≤0.73kg
5. Life: ≥3 years

1. Working temperature: -40~+85ºC; Storage temperature: -45~+85ºC
2. With self-check function, including the IC card status information, receiving power status, etc.
3. With RDSS communication function, a single communication capacity of at least 130 Chinese characters (Beidou 3 generation two minute card)
4. Transmission power consumption: ≥5W
5. Standby power consumption ≤1W
6. MTBF: ≥5000h
(2) Support Mobile/Unicom 2G/3G/4G/5G
4G Parameters
1.Device interface: SMA antenna interface, serial port (RS232), network port (RJ45), SIM card interface
2.Support TCP, UDP, FTP, HTTP protocol stack
3.Support transparent data transmission
4.Support network TCP/IP data forwarding function
5. MTBF: ≥5000h
Other Communications
1. Antenna: ipex interface UART: RS232
2. Baud rate: 1200,2400,4800,9600,19200,38400,57600,115200,230400,460800
3. Storage temperature: -40ºC~+85ºC
4. Working temperature: -20ºC~+70ºC
5. Parameter configuration: serial port, network and SMS AT command configuration
6. Data transmission: support simple transparent transmission function, HTTPD function,UDC function
(3) Support Integration of Other Communication Methods
Communicate with technical staff for details!
(3) With shackle and swivel, all stainless steel
(4) Holding power anchor weight: 10KG
(5) Anchor composition: stainless steel chain, shackle, swivel, gripping anchor, Kevlar fiber
(6) Anchor mode: horizontal, single point anchor;
(7) Anchor length: ≥1.5 times water depth

5. Power Supply System
(1) Output voltage: 12V
(2) Battery capacity: 774Ah
(3) MTBF: ≥5000h
(4) 1h working mode, in-place time: ≥12 months
(5) Rated power ≥30W, maximum output pulse current: ≥3A
6. Data Acquisition/Control System
1. Memory: 10GB
2. Hard disk: 1TB, processor: domestic CPU, CPU frequency ≥2.4GHz Operating system: domestic operating system
3. Working temperature: (0 ~ 45) °C
4. Storage temperature: (-20 ~ 55) °C
5. Support 24 hours uninterrupted operation, etc.
6. Supporting receiving processing software:
(3) Buoy position and movement track are plotted and marked on the map in real-time
(4) Real-time data, operating status data, and historical data are displayed in various forms such as coordinate curves, column charts, pie charts, and scatter chart
(5) Real-time rendering of wave, wind wave, surge (spectrum) eigenvalue data and energy, direction spectrum, real-time display of various parameters change trend
(6) Data storage can be text, excel, and other formats of data file storage, and can also be stored in the database; According to the actual needs, the effective data can be forwarded, shared, downloaded, etc.
(7) The interface displays the overall status of the current system in real-time, including buoy presence, buoy type, number, etc.
(8) Can monitor the displacement of the buoy in real time, shift more than 300 meters automatic alarm
(9) Support remote configuration of equipment operating parameters; The system management permission configuration function is provided.
The system can active and passive data reissue. When the buoy storage module has data reissue detected in the process of system transmission, the reissue program will be automatically started after the completion of the master transmission, and the system data will be reissue operation. The customer can also perform the manual data retransmission function through the remote server, sending the specified command, requiring the buoy communication system to send the specified data to the server.

Yantai Kekan Ocean Technology Co., Ltd. is a technology-based small and medium-sized enterprise that integrates the researchand production of marine observation and monitoring equipment, marine environmental services,and the development of key supporting systems for marine engineering. Adhering to the spirit of "scientfic management and exploration of the deep sea", it focuses on the research and development of intelligent marine observation and monitoring equipment and the safety guarantee of offshore engineering.
The R&D team of the company is led by Professor You Zajin, an academician of the European Academy of Sciences. He has been engaged in research on ocean dynamics, numerical model construction,and has led projects funded by the Natonal Young Scholars Fund, the Ministry of Sclence and Technology's key R&D project, the National Key Fund, and multiple Australian Key Fund projects.The core personnel of the team also include multiple doctoral and high-end managemert talents in the marine field, with complementary professional backgrounds and a solid foundation for cooperation. They have jointy cariedout muliple related projects/research projects and possess the strength of product design, manufacturing, and sales. Since its establishment, the company has applied for more than 30 patents and softworks, of which 13 have been authorized, possessing exclusive intellectual property rights and strong technical barriers.
The company's main products are intelligent marine environmental element observation and monitoring equipment and high-precision early warning and forecasting system, among which the intelligent observation and monitoring equipment has the function of self-positioning, which can adjust the positioning based on real-time sea conditions and relying on low-power power system; The submarine winch has the advantages of small size, strong traction and good sealing, which can better adapt to the complexity of the seabed work; The high-precision marine hydrological element early warning and prediction system provides wave, tide, storm surge and sediment transport data, solves the problems of unclear physical mechanism and low simulation accuracy of current numerical simulaton, and can provide a solid guarantee for marine enginering.
Kekan Ocean is a creative and dynamic team. We are committed to providing more users at home and abroad with the best quality products and services.


Q: Are you a manufacturer?
Yes, our company independently manufactures, research and develop a variety of technical products.
Q: Do you offer customized services?
A: Yes, we offer a variety of products and services according to different needs of customers.
Q: Can we order one set as sample?
A: Yes, the minimum order quantity is one set.
Q: What's the order delivery time?
A: The order delivery times vary according to the type and quantity of the product. Some products are in stock, other products need about 1 month in the off-season, 1-3 months in the peak season. Generally, it takes about 15-20 days after the order is ready.
Q: Why choose Yantai Kekan Ocean Technology Co., Ltd?
A: Our company has the independent R&D team to provide high-quality products. We can adjust the product parameters and offer customized services according to different needs. We also provide reliable after-sales service.