Applications
Shallow reflected or shallow refracted wave surveying, transient rayleigh wave surveying, wave speed testing, ground s 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 2000 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: 24
Sampling interval: 25 us- 10 ms (selectable)
Bandwidth: 0.1 hz - 5000 hz
Programmable analog filter
Low cut filter: 10-200 hz programmable
High cut filter: 500-2000 hz programmable
Band cut filter: 50/60 hz
A/d (ifp's) precision: δ σ 24 bit
Computational precision: 32 bit
Equivalent noise: 1μ v, rfi (at 2.0ms sampling rate)
Cross-channel interference: > 80db
Harmonic distortion: -114 db (at 2.0ms sampling rate)
Data display and recording:
Main processor: intel pentium 500 mhz processor
Memory: 118 mb
Internal hard drive: 10 gb
Monitor: 1024 x 512 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: 330x180x100mm, weight: 4.5 kg
Environmental tolerances:
Operating temperature: -20 to 50 deg c
Storage temperature: -40 to 70 deg c
Operating humidity: 0 - 95%
Protecting packing
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