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GT-SMT seismograph

Can meet the reflection, refraction, surface wave, shear wave, pulsation and other tests.

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Detailed description

Product use:

◆Metal mineral exploration;

◆Coal field goaf detection;

◆ Oil and gas detection;

◆ Evaluation of oil and gas reserves;

◆Geological exploration (karst, cavity, fault, fracture zone, etc.);

◆Subgrade detection and evaluation;

• Archaeology;

◆ Various vibration signal tests (shear wave test, ground pulsation test).

Product features:

◆ Can meet the reflection, refraction, surface wave, shear wave, pulsation and other tests.

◆ Military-grade safety explosion-proof box, closed joints, the whole machine is waterproof.

◆ Wireless control, friendly interface, light equipment.

◆ Proprietary low-power platform embedded operating system, lower power consumption of the instrument, continuous working time is more than 12 hours.

◆ 24-bit high-performance AD, synchronous sampling of each channel, accurate sampling interval, provide true and reliable data for inversion.

◆ Channel can be arbitrarily expanded, the maximum number of channels can be up to 252 channels.

Compliance with specification:

◆ Code for Geophysical Exploration of Hydropower and Water Conservancy Engineering DL/T 5010-2005

◆ SL326-2005 of Geophysical Prospecting Regulations for Water Conservancy and Hydropower Engineering

◆ Technical Specification for Geophysical Prospecting of Electric Power Engineering DL/T 5159-2012

◆ Code for Geophysical Exploration of Highway Engineering JTG/T C22-2009

◆ Standard for Urban Engineering Geophysical Exploration CJJ/T 7-2017

◆ Technical Specification for Multi-channel Transient Surface Wave Investigation JGJ/T143-2004

◆ Technical Code for Shallow Seismic Exploration DZ/T 0170-1997

◆ Technical Code for Building Foundation Inspection JGJ 340-2015

Standard configuration:

Serial Number	Name	Quantity	Remarks
1	GT-SMT host	1	With power adapter
2	Trigger switch	1 only	Cable included
3	Large cable	2 Articles	5m track spacing (customizable)
4	detector	24.	Low, medium and high frequency optional
5	electronic dog	1 only	Professional Edition Processing Software
6	Instrument box	1 only
7	Instructions	1 of this
8	U disk	1 only	Including electronic data
Optional	Laptop	1	Model optional
	borehole geophone string	2 Articles	seismic test in well
	three-component detector	1 only	shear wave test
	ground pulsation probe	1 only	ground pulsation test

(Note: the parameters are for reference only, customized products can be adjusted according to customer needs)

Performance parameters:

Model	GT-SMT seismograph
sampling interval	5μs ~ 50ms (parallel acquisition)
Number of channels of acquisition station	24 channels, 48 channels can be expanded
inter-channel crosstalk suppression	126dB
A/D converter	24-bit AD
instantaneous dynamic range	＞120dB
total harmonic distortion	≤ 0.0008%
Common Mode Rejection	＞120dB
Communication mode	Support LPC communication and 433Mhz wireless mode
Gain accuracy	＜1%
Time accuracy	<5ppm (between all lanes)
Power supply voltage	≥ 9~18V interval
Record length	Not less than 512-8196
Input voltage	≥ 2Vpp
Built-in test	Trigger, instrument noise, scanning signal transmission, environmental noise monitoring
filtering	Analog low-pass filter, digital high-low pass filter
Number of sampling points	512~8192
dynamic range	>120dB
Power supply mode	Built-in high-performance rechargeable lithium battery ≥ 8h
Power consumption	<2W
Working temperature	-20 ℃ ~ 60 ℃
Host volume	≤ 300(mm) x 250(mm) x 150(mm)
Host weight	≤ 3 Kg
Compatible	Shear wave test, ground pulsation test, low strain test (independent processing software required)

(Note: the parameters are for reference only, customized products can be adjusted according to customer needs)

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