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Chongqing Seistechs Technology Co.,Ltd

MAIL:sales@seis-oceantech.com
TEL:023-89861056
Add:Room 701, Building 1, Zone A, Zhongdian Guanggu Science and Technology City, Shapingba District, Chongqing

Nodal Seabed Seismometer

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


Node Type Seabed Seismometer 

Frequency bandwidth:SEIS-OBN-S3(3Hz~250Hz)、SEIS-OBN-S1(1Hz~200Hz);

Self noise:The whole frequency range is lower than NHNM Curve;

Complete machine sensitivity:200V/m/s(±5%);

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

Forward Gain:1、32、64 is Configurable;

Amplitude consistency between Channels:<5%;

Phase difference between channels:<0.1ms;

Crosstalk suppression between channels:>100db;

Lateral vibration suppression:better than 0.1%;

Overall Power Consumption:Autonomous working mode<1W@100sps; Acoustic communication working mode<10W@100sps;

Sample rate:100,250,500,1000,2000sps;

Lowest parasitic resonance frequency:>300Hz;

Calibration method:Pulse self-calibration;

External power supply: 9V, single power charging;

Status display:LED+PC;  

 Working time:>30 days;

Dynamic range:>120 dB;

Storage:32GB(pluggable SD card,the storage can extend to 64 GB or more);

Data format:Raw,Mseed;

Interface:Ethernet、RS232;

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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