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Home > Instruments and Apparatuses
Engineering Seismograph Miniseis24
Engineering Seismograph Miniseis24

Engineering Seismograph Miniseis24

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GeoPen

Shunyiqu,Beijing,China

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Widely used in areas engineering geological surveying, dike surveying, and ground investigations and so on...

 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. 
 
 
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 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%

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