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GL-OBS60-F2
Deep Sea Broadband Seismometer
This product is a new type of seafloor seismometer designed for the deep sea, which can adapt to the working environment of 6000 meters deep under the sea. The system primarily consists of a seismometer, battery compartment, hydrophone, and data transmission device, featuring a modular design that allows independent disassembly for easy maintenance. The core seismometer employs a low-power design compatible with standard network protocols, enabling efficient data storage and management. It includes a large-capacity built-in memory with dual backup storage for data retention. Equipped with a high-precision north-seeking device, the seismometer achieves accurate azimuth positioning without interference from metallic objects or magnetic fields.
OVERVIEW
Description
Posture Recognition
After the cloth is placed on the seabed, it can quickly respond to the attitude of the equipment. In case of serious
situations such as overturning or tilting, it can be recovered for inspection and re-deployed to adjust the attitude.
Just Hit Bottom
After the whole machine is immersed in the sea floor, the bottom touching mechanism releases the seismograph to make
it closely coupled with the seabed, which effectively improves the accuracy of seismic data monitoring by the seismograph.
Application Area
Undersea earthquake monitoring; prevention of Marine disasters; guarantee of maritime information security;
undersea oil and gas exploration;Submarine engineering geological environment monitoring
Intelligent Control
The equipment is equipped with a water acoustic communication device, which can remotely monitor the operating state of the equipment on the seabed: the lock swing can be remotely controlled to send lock swing command before recovery to protect the safety of the seismometer.
Flexibility
The core seismograph is equipped with a high precision leveling adjustment mechanism, which can
automatically level within 40° and can adapt to various complex seabed topography.
Technical Parameter
Seismometer (digital circuit power controlled)
▲Bandwidth: 0. 0167Hz~80Hz;
▲Sensitivity: 1000V/ (m/s) (both ends)
▲Sensitivity error: better than ± 3%
▲Observational components: three-in-one;
▲Dynamic range:>145dB;
data logging
▲Storage media: 32G (can be recorded for more than
6 months), expandable (multiple backup storage);
▲Recording method: continuous waveform recording;
▲Recording format: support MiniSEED, SEED
format conversion;
DA
▲Sampling rate: 50,100,200,500sps;
▲ Digital filter: linear phase FIR/minimal phase FIR;
data communication interface
▲Interface: LAN Ethernet;
▲Protocol: TCP/IP;
time service
▲Timing: GNSS timing, PPS signal calibration;
▲Timing accuracy: ≤1us;
▲ Shooting accuracy: <1×10-8 day; ≤ 5×10-7/ year;
Analog signal generator (power controlled)
▲ DAC: 16 bits;
▲Analog signal: pulse and string wave can be selected, parameters can be configured;
▲Start mode: timing, instruction;
levelling
▲ Constantly adjusted range: ±40°;
▲Automatic leveling: built-in posture monitoring function, tilt automatically level;
Directional properties
▲Seeking precision: ±0.6°
Auxiliary observation component (hydrophone)
▲Sensitivity: -195dB;
▲Band: 0. 1Hz-20kHz;
Overall machine performance
▲Network (power controllable): supports real-time data
flow, supports multiple connections, FTP data download;
▲Monitoring (power control): unlock the seismometer,
adjust the zero and calibration, query the tilt Angle of
the seismometer, adjust the leveling, and set the
parameters;
▲Working depth: 6000 meters;
▲Working temperature: -20℃-+60℃;
▲Power supply voltage: 9-18V DC;
▲Power supply: lithium battery pack (customizable)
▲Power consumption: 1.2W;
▲Working time: 2 months (customized according to user needs);
▲Size: 750*750*750mm;
▲Seismograph weight: 65kg (including battery)
