Seismic measuring station SERCEL 428Lite
- Functions: Use for onshore seismic survey
- Manufactured by: Sercel company – France
- Year of production: 2013
- Webiste: www.sercel.com
- Specifications SERVER VIGOR PC for impulsive operations up to 1,000 channels @ 2 ms (428Lite).Operating system: Linux Red Hat WS4Software: e-428 Server Software, performing data computation, storage and handling of local or remote clients
Operating temperature : 0°C to +40°C
GPS for clock synchronization : Trimble AcutimeTM Gold
Operating temperature : -40°C to +85°C
Acquisition mode : impulsive
LCI (LAUX Configuered)
Field units management, up to 1,000 channels real time @ 2 ms.
channels real time @ 2 ms.
Operating voltage: 10.5 to 15 VDC.
Power consumption: 6.7 W
Operating temperature: 0 to +45°C
Storage temperature: -40° to +70°C
Dimensions (HxWxD): 137 x 312 x 242 mm (5.4 x 12.3 x 9.5 in.)
Weight: 5.5 kg (12.1 lbs.)
TRANSMISSION CAPABILITIES
Line data rate: 8 Mbps, 16 Mbps.
Transverse data rate: TCP-IP protocol, 100 Mbps Ethernet-based transmission
HARDWARE CAPABILITIES
SEG-D files are stored temporarily in the server disk prior to be transferred to NAS
Play-back: Plotter
STORAGE CAPABILITIES
NAS
FDU-428
Functions: •Data transmission with CRC control
- 24 bits A/D conversion
- D/A conversion with programmable bit stream
Input impedance:
Diff erential mode 20 kΩ // 77 nF
Common mode 105 kΩ
Power consumption: 120 mW @ 8 Mbps, 132 mW @ 16 Mbps
Operating power voltage 22 to 50V DC
Dimensions (HxWxD): 82.5 x 71.4 x 194 mm
(3.2 x 2.8 x 7.6 in.)
Weight: 0.35 kg (0.77 lbs.) with ST+ cable
Operating temperatures: -40° to +70°C
Storage temperatures: –40° to +70°C
Water depth: 15 m (for WPSR)
LAUL-428
Functions: FDUs and line management, data transmission with error recovery and temporary storage
Operating power
voltage: 10.5 to 15 VDC, 2 battery connectors, to allow uninterrupted operation during battery replacement
Power consumption: 2.8 W (idle: 320 mW)
Memory: 30 MB local buffer for non-real time mode transmission
Material: Aluminium
Dimensions (HxWxD): 108 x 93 x 224 mm
(4.2 x 3.6 x 8.8 in.)
Weight: 2.4 kg (5.3 lbs.)
Operating temperatures: -40° to +70°C
Storage temperatures: -40° to +70°C
Water depth: 15 m
LAUX-428
Functions: Ethernet-TCP/IP data transmission and routing (transverse) with error recovery and temporary storage
Operating power voltage:10.5 to 15 VDC, 2 battery connectors to allow uninterrupted operation during battery replacement
Material: Aluminium
Water depth: 15 m (also for TREP-428 and TFOI-428)
Operating temperature: -40° to +70°C
Storage temperature: -40° to +70°C
Dimensions (HxWxD): 137 x 312 x 242 mm
(5.4 x 12.3 x 9.5 in.)
Weight: 5.5 kg (12.1 lbs
6. Some projects, used 428-Lite seismic station by the Geophysical Division.
– Government Project “Investigation, overall assessment of coal resources in the mainland, Red River basin”;
– 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;
– Science and Technology project: “Improving 2D reflection seismic measurement process in hilly areas for geological structure research, investigation and assessment of deep hidden minerals”.
– Science and Technology project: “Applying 3D reflection seismic measurement technology on land for geological structure research, investigation and assessment of hidden minerals”;
And many other works.
Source: Geophysical Division./.