Broad Band Frequency Long Period Four Channels OBS_Chongqing Geological Instrument Factory

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Broad Band Frequency Long Period Four Channels OBS

Broad Band bandwidth Long Period Four Channels OBS

Standard bandwidth（60s-50Hz）;

Broad Band bandwidth（120s-50Hz）;

Part of 120s and 60s OBS is double-ball or four-ball structure

to meet the demand of the inbuilt geophone space and sea power.

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Operation video

Applications Functions Parameters

Model/ Parameter	Portable OBS+Short Period Four Channel OBS	Two Short Period Four Channel OBS
OBS Size	600X600X1100 mm	600X600X1200 mm
Sink size with dead weight	1400X1400X1200 mm	1400X1400X1300 mm
Operating depth(Max)	6000m	6000 m、9000 m、12000m three types
Channels	Four（3 aixs geophone ，1 channel hydrophone）
Working time	12 months	18 months
Max recycling time	15 months	21 months
Frequency bandwidth	60 s ~ 50 Hz，120s-50Hz，Capacitive energy seismometer；
Hydrophone frequency	0.1Hz~5K Hz或2Hz~30K Hz
Dynamic rang	≥120 dB
Overall Power Consumption	0.4W	0.4W
Sample rate	250，200，100，50 sps
Inbuilt high precision clock	OCXO, 0.01 PPM@4℃
Storage	64GB
OBS statement setting	Wifi interface
Data transmission	USB2.0 standard
OBS Base weight（not include dead weigh）	75kg	90kg
dead weigh	38kg	38kg
Container size	480mm×480mm×720mm +630mm×630mm×750mm	630mm×630mm×750mm +630mm×630mm×750mm