Single channel marine seismic station
- Function: Ofshore Seismic measurement for basic geological investigation, engineering geology.
- Manufactured by: Applied Acoustic Engineering Ltd – United of kingdom
- Year of production: 2016
- Webiste: https:// appliedacoustics.com
- 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./.