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OBEM is a marine geophysical survey and exploration device which used for record and recive the sea ocean electromagnetic field signal, could be classified to OBE, OBM, OBEM three types according to the load sensor. The device is a new high technology marine seismic survey , have been widely used or marine survey, marine resources exploration, submarine structure research, disaster prevention and mitigation. It has been one of the key devices for marine geophysical exploration, and a new bright spot and growth point for marine geophysical exploration.

Main Technical Specifications

◎  Size： 600×600×700 mm;

◎  Electrode arm length：5 m;

◎  Operating depth(Max)：6000 m、9000m、12000m ;

◎  Channel：5 (Magnetic 3 channels，electric 2 channels);

◎  Max working time：3 months;

◎  Max recycling time：6 months;

◎  Magnetic sensor：DC～500 Hz;

◎  Sound of Magnetic sensor： 6pT / sqrt(Hz) @1Hz;

◎  Measuring range of Magnetic sensor：±100 μT;

◎  Voltage sound：1nV / sqrt(Hz) @1Hz;

◎  Electrode type：AgCl;

◎  Dynamic range：>120 dB;

◎  Sample rate：500，250，100 sps;

◎  Inbuilt high precision clock：OCXO, 0.01 PPM@4℃;

◎  Storage：32 GB;

◎  Overall Power Consumption：0.25 w;

◎  Data transmission：USB2.0 Standard;

◎  OBS Base weight：55kg（not include dead weight);

◎  Dead weight：25 kg;

◎  Container size：630mm×630mm×750mm (Without support arm).