Single channel marine seismic station

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Single channel marine seismic station

  1. Function: Ofshore Seismic measurement for basic geological investigation, engineering geology.
  2.  Manufactured by:   Applied Acoustic Engineering Ltd – United of kingdom
  3. Year of production: 2016
  4. Webiste: https:// appliedacoustics.com
  5. SPECIFICATIONS5.1. CSP-D1200 Seismic Energy SourcePhysicalSize: Transit Case (7U) with cover in place and handles flat: 50cm(H) x 58cm(W) x 74cm(D)Weight: Case and cover: 61.5kgElectrical specification

    Mains Input: 240Vac  45-65Hz@3.0kVA single phase. 3 pin connector, Variable Input Power Circuitry (AVIP) ‘soft start’ circuitry

    Voltage Output: 2500 to 3950Vdc, 4 pin interlocked connector ;Solid state semi-conductor discharge method;

    Output Energy:  Easy switch selectable in increments: 50,100,150,200,250,300,350,400,450,500,550,600, 700,800,900,1000,1100,1200 Joules

    Charging Rate: 1500J/second for continuous operation at 0-45°C ambient

    Capacitance: 208μF at 108 shot life

    Trigger: +ve key opto isolated or isolated closure set by front panel switch BNC connector on front panel and remote box (optional)

    Repetition rate: 6pps max, Limited by charge rate, energy level and sound source rating

    Earth: M8 stainless steel stud on front panel

    Safety features

    Main electronic control circuits and secondary layer of safety circuitry

    Specially designed HV connector with interlock

    High speed dump resistors for high voltage components

    Capacitor bleed resistors

    Open circuit shutdown

    Timer shutdown

    Output current monitor and shutdown

    Over temperature shut-down

    Cover and connector interlocks

    HV fault indicator for internal temperature, low input voltage or capacitor fault

    Remote control available for triggering and operation

    The unit’s internal design has a modular construction for ease of servicing and capacitor replacement. However, for safety reasons, only Applied Acoustics trained engineers should attempt a repair.

    Compatible sound sources: AA201, AA251, AA301 Boomer plates, Squid 501 and Squid 2000 Sparkers

    5.2.  Squid 2000 Sparker Seismic Sound

    Physical:

    Size: 1250mm (L) x 900mm (W) x 500mm (H)

    Weight: 40kg

    Connector: RMK 1/0

    Electrical Input:

    Recommended energy: 600-2400J/shot

    Maximum energy: 2500J/shot

    Operating voltage: 3000-4000V

    Number of tip locations: 8

    Maximum number of tips: 120 (8 x 15)

    Sound output:

    Source level: Typically 222dB re 1μPa at 1 metre with 1500J

    Pulse length: Typically 1ms at 1000J  (Dependent on tips and power applied)

    Compatible energy sources:          CSP-D, CSP-S1250, CSP-S4000, CSP-S6000

    Compatible HV cable: Type HVC 2000,  50m standard length and RMK 1/0 connectors complete with locking collars

    5.3. Streamer hydrophones

    Model number: AH150/20

    Tow leader: 50m

    Array Tube type: Polyurethane

    Array tube length: 4.5m

    Number of elements: 20

    Element spacing: 150mm

    Array sensitivity: -161dB ref 1V per μPa

    Fluid type: Polydimethylsiloxane, PMX561

    Power: Battery, 9V alkaline, PP3/MN1604

    Frequency response: 140Hz to 10kHz (-3dB)

    Signal output: Up to 8V peak to peak

    Connector type: BNC, 50/75 ohm cable can be used

    Elements

    Dimensions: 55 x 16 x 10 mm

    Sensitivity: -187dB ref 1V per μPa

    Depth recoverable: 30m max

    Operating depth: Typical 10m

    Type: Non acceleration cancelling

    Resonance: @ 9 kHz

    Other element configurations are available to order

     6. Project used this instrument by Geophysical Division:

    Government Project: “Investigation, overall assessment geological and engineering geological features to propose solutions for territorial exploitation and using for construction and development infrastructure  of Vietnam’s coastal strip”.

                                                                                                                                     Source: Geophysical Division./.

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GEOPHYSICAL DIVISION

Website: https://geophysics.gov.vn/
Office address: No. 1 Alley 95 Chien Thang Street, Van Quan Ward, Ha Dong District, Hanoi City
Phone: 0243 8540448
Fax: 0243 8542223
Email: ldvldc@monre.gov.vn