Description

APPLICATIONS

Shallow reflected or shallow refracted wave surveying, transient Rayleigh wave surveying, wave speed testing, ground pulsation testing, Small strain foundation integrity testing, elastic wave CT (computed tomography), seismic Imaging, foundation dynamic parameter testing.
Widely used in areas engineering geological surveying, dike surveying, and ground investigations and so on..

FEATURES:
1. Built-in lithium ion battery with 8 hour battery life
2. Light and portable (central unit weighs 4.5 kg), is the world\'s smallest engineering seismic surveying equipment at present.
3. Built-in scrolling switch for ease of covering multiple reflected wave surveys
4. Contains all shallow seismic surveying functionality
5. Windows ***0 operating system
6. Chinese user interface
7. Water-tight keyboard and mouse buttons
8. Two USB ports
9. Signal edge trigger, TTL trigger synchronization

MAIN SPECIFICATIONS:
Channel No: *4
Sampling Interval: *5 us- *0 ms (selectable)
Bandwidth: 0.1 Hz - ***0 Hz
Programmable Analog Filter
Low cut filter: *****0 Hz programmable
High cut filter: *******0 Hz programmable
Band cut filter: *0/*0 Hz
A/D (IFP\'s) precision: ΔΣ*4 bit
Computational precision: *2 bit
Equivalent noise: 1μV, RFI (at 2.0ms sampling rate)
cross-channel interference: >*0dB
harmonic distortion: ***4 dB (at 2.0ms sampling rate)

Data Display and Recording:
Main processor: Intel Pentium **0 MHz processor
Memory: **8 MB
Internal hard drive: *0 GB
Monitor: ***4 x **2 8" SVGA
Data transfer: USB
Data storage: SEG2, SEGY, and Geopen data format
System self-test criteria
Static voice sound, cross-channel consistency, cross-channel isolation

Main unit size and weight
Size: **0x**0x**0mm, weight: 4.5 kg

Environmental tolerances:
Operating temperature: **0 to *0 deg C
Storage temperature: **0 to *0 deg C
Operating humidity: 0 - *5%