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Chongqing Seistechs Technology Co.,Ltd

MAIL:sales@seis-oceantech.com
TEL:023-89861056
Add:Room 212, Building A, Guanggu Zhichuang Park, Shapingba District, Chongqing

Nodal Seabed Seismometer

Release time:2025/3/27 11:46:11popularity:


Node Type Seabed Seismometer 

Frequency bandwidthSEIS-OBN-S3(3Hz250Hz)SEIS-OBN-S1(1Hz200Hz)

Self noiseThe whole frequency range is lower than NHNM Curve

Complete machine sensitivity200V/m/s(±5%)

Time stability:≤1ms/month @4(Built-in atomic clock)

Forward Gain13264 is Configurable

Amplitude consistency between Channels:<5%

Phase difference between channels:<0.1ms

Crosstalk suppression between channels:>100db

Lateral vibration suppressionbetter than 0.1%

Overall Power ConsumptionAutonomous working mode1W@100sps; Acoustic communication working mode10W@100sps

Sample rate10025050010002000sps

Lowest parasitic resonance frequency:>300Hz

Calibration methodPulse self-calibration

External power supply: 9V, single power charging

Status displayLED+PC  

 Working time:>30 days

Dynamic range:>120 dB

Storage32GBpluggable SD cardthe storage can extend to 64 GB or more)

Data formatRaw,Mseed

InterfaceEthernetRS232

Working temperature-25℃~+55℃;

Operating depth(Max):≥30m

OBN Size:φ390×118 mm

Weight(Built-in 175Ah lithium battery)About 18.5Kg(Aluminum alloy shell)20Kg(Titanium alloy shell)24.3Kg(Stainless steel casing).


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