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BOTTOM Recorder Geospace OBR

(Equipment / Material)
Model Number: OBR
Condition: New
Location or Storage Country: Russia
Service Engineering Support: Yes
Warranty: No
Price: Call for price
Description:
Standalone 4-component bottom-based recorder
Overview:

Distinctive features
- Continuous standalone 4C recording without cables
- 24-bit resolution and 124 dB dynamic range
- Unique 4-channel station: 3 OMNI geophones and MP 18BH-1000 hydrophone
- Battery Life: 30 days
- Built-in full resolution test generator
- Solid state flash memory: 4 GB per channel

Main technical specifications:

 
Parameter Value
4C digitizing recorder: 4 channels, 24-bit ADC, 3 OMNI geophones located mutually perpendicular, MP 18VN-1000 hydrophone
ADC 24 bit Delta Sigma
Discretization step 0.25, 0.5, 1, 2, 4 ms
Pre-amplification 0, 6, 12, 18, 24, 30, 36 dB
Maximum signal 1.8 V (rms)
Equivalent input noise (in steps of 2 ms) 0.17 μV (rms)
Gain accuracy Better than 1%
Smoothing filter 82.6% Nyquist
Instant dynamic range 124 dB at a step of 2 ms
Total Harmonic Distortion <0.2%
Harmonic distortion in the upright position <0.05% (typical)
Distance between the ADC and the most remote sensor <18 cm
Distance between individual sensors <13 cm
Flash memory 4 GB per channel
frequency range 3 Hz - 1650 Hz in steps of 1/4 ms
Battery life 30 days
Dimensions:
length 521 mm
height 108 mm
width 208 mm
Air weight 11.3 kg
Weight in sea water 4.4 kg
Maximum operating depth 300 m
Maximum pressure 3 MPa / 30 bar

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