S-land seismic instrument

S-land seismic instrument product information
s. geophone
Role
1. Signal conditions and the seismic signal of the data
2. Detection of a seismic wave and the operation of electronic components
Physical characteristics
Light, waterproof, rugged shell
Specifications
Input impedance: 1 k (without resistance under the conditions of> 25) 5nf
Preamplifier gain: 1 db, 12db, 24db, 36db
All the input level specifications: 0 db 5vpp
12db 1.25vpp
24db 312.5mvpp
36db 78.1mvpp
Reset: zero gain
Sampling intervals: 0.25,0.5,1 ms, 2ms
Bandwidth: (-3 db) 428hz
Attenuation of guarantee (Ni Kuisi -6 db-wide standard measure under)> 130 db
Passband ripple (400 hz below) 0.01 db
Passband characteristics: Linear
SNR measurement (RMS RMS800 OHM to the termination of the input)
0db 123db (typ)> 120db
12db 122db (typ)> 118db
24db 115db (typ)> 112db
36db 103db (typ)> 100db
Total harmonic distortion (-6 db-wide under the measurement specifications, 31.25 hz)
0db 115db (typ)> 110db
12db 110db (typ)> 100db
24db 115db (typ)> 112db
36db 100db (typ)> 90db
Gain accuracy: (absolute) 1% (typical)
Gain accuracy: (different gain the relative few) 0.4% (typical)
Power consumption: 250 mw (typical)
Operating temperature: -40 to 75 degrees
s.line interface module (slim)
Role
1. Control two geophone strings
2. Transmission of data from the detector to the central records unit.
Physical characteristics
Waterproof aluminum shell
7x2.7x2in (119x69x50mm)
Specifications
Data transfer rate: 100 mb / s
Data record: -
Operating temperature: -40 to 75 degrees
s. seismic wave-string (SGS)
Role
1. Connected through the square stranding 12 seismic wave devices to a geophone strings
Physical characteristics
The deduction through a metal D-ring connection, the assembly of the transport and deployment of simple and easy.
Surge battery unit (BBU)
Role
1. Change the battery voltage from 12 V to 24 V
2 for a cable assemblies (4 SLIMS)
Physical characteristics
Waterproof aluminum shell
5.3x2.7x2in3.1 (135x69x79mm)
Specifications
The battery voltage: Enter the 12 V (with fuses)
Battery connector: 2 hot-swappable enter
Operating temperature: -40 to 75 degrees
Cross intelligence unit (IXU)
Role
1. To control the distribution and number of lines
2. From the number of transit lines and concentrate on the real-time data
Physical characteristics
Waterproof aluminum shell
10.25x9.5x2.5in (260x241x65mm)
Specifications
Power consumption: 6 W (typical)
The largest production capacity
7000 channel 1 ms
14,000 channel 2 ms
Operating temperature: -40 to 75 degrees
Center records unit (CRU)
Role
1. Master clock system
2. Resource control interface
3.4AUX channel (optional)
4. Real-time processing
Physical characteristics
Waterproof aluminum shell
10.25x9.5x2.5in (260x241x65mm)
Specifications
Master clock precision: better than 5 PPM
Resources began: Isolation (high / low)
Cut off time: isolation (high / low)
Time to cut off the resolution: 1 / 1024 ms
Operating temperature: 75 degrees -0
Projects targeted
High-resolution reflection and refraction seismic stratigraphy investigation.
Application of the wide range of earthquake engineering
Geological survey technology, such as the building of regional geological / rock hardness evaluation / rock detection
Hydro-geological studies, such as groundwater find, underground mineral resources, exploration of geothermal water
Environmental Investigation (waste dump sites determine the scope, containing scrap heap of pollutants close to the permeability of the soil)
The assessment of natural hazards, such as tilting the surface of the bedrock description
Raw materials such as gravel quarries layer, iron ore exploration of the rock
Basic configuration
The largest 36, 0.25,0.5 sampling rate and 1 msec
Advanced Configuration
The largest 144, 0.25,0.5 sampling rate and 1 msec
Mining applications
High-resolution 2 - D and 3 - D seismic reflection investigation
Application of the area is in a more broad range of mining seismology,
View of coal and positioning map
Mining operations and the formulation of plans
The detection of copper and molybdenum, the detection
Deposits of detection
2-D basic configuration
400, the second sampling rate of 1 trillion
2-D advanced configuration
Typical 1000, the second sampling