ABEM Terraloc Mk8 Seismograph from GISCO

Terraloc Mk8 Seismograph

TERRALOC Mk8 12, 24, and 48 channel seismographs

Versatile portable seismograph for all applicatiions
With Windows XP for both field and office use.
USB 2.0 ports for memory stick or memory card

Check out the layout of the panel.

Designed for use in the field, Terraloc Mk 8 will let you control the field operation with just a few keystrokes. For more advanced data management, connect an external keyboard and a mouse to gain full access to Windows XP.

With the built in memory card reader you can backup or copy your measurement data for further processing using your office computer. Memory cards like SD, Compact flash and Memory stick Pro Duo fits under the protective cover in field use, the card reader also hosts one of the three USB 2.0 connectors supplied on the Terraloc Mk8.

The back of the panel has a full set of connectors conveniently located. The connectors are water proofed and sealed, and are further protected by the dust covers when not in use.

12, 24, or 48 channels
Rugged sealed aluminum case
Easy to use menu operation
Daylight visible LCD screen
A/D full 21 bits
Selectable analog low-cut filters
Analog notch filter
Wide range of sampling rates, from 25 us to 2 ms. Fast enough for crosshole surveys
In field quality control functions include: geophone and cable test, noise monitor, FFT spectrum analysis, unstack last shot, AGC
Manual or automatic first-arrival picking functions
Pretrigger recording
Record lengths ranging from 3.2 ms to 32.7 seconds. Long enough for Moho studies
Frequency spectrum analysis allows you to check where your filters should be set.
Wide choice of multi- or single- trace view modes for fast and detailed analysis
Refractor velocity indication for. quick check of target velocities
With its only opening securely closed, meets protection standard IP 66 under operation and can even be hosed down for cleaning

Specifications:
Channels (small chassis)..............4 - 24		Pretrigger data...0-100%/record
Channels (big chassis)..................4 - 48		Computer.....AMD LX800, 500 MHz, XP
Auxilliary channels...............................1		RAM......... 1GB
A/D converter...........21 bits		Disk drive..........at Leasat 60GB
Dynamic range..............................114db		Memory card reader... SD, Compact flash , MMC, Memory stick, Smart media etc.
Harmonic distortion....................-80db		Ports..........3 USB 2.0 ports
Crosstalk........................................-86db		Display.....8.4 inch Active TFT LCD, full color, daylight visible
Frequency range..................1 - 4000Hz		Operating temperature.... 24ch 0-50C, 48ch 0-45C
Maximum input....................500mV p-p		Power input.............. 10 - 30VDC
Notch filter....... 50 or 60Hz as ordered		Power consumption..36w (24ch)
Low cut filter..........12-240Hz, 16 steps		Power consumption..60w (48ch)
Stacker memory...........................32 bits		Size........... 48x26x33cm (24chan)
Samples/chan......128 to 16384, 8-steps		Size........... 48x26x47cm (48chan)
Sample rates......... 25 - 2000us, 7-steps		Weight.......24ch 16 kg, 48ch 23 kg

Built in processing functions include: pre stack correlation, auto correlation, unstacking, first arrival picking, spectral analysis, refractor velocity analysis, and high cut low cut and bandreject digital filters.

Available accessories include: backpack carrying frame and spare parts kit. Also see the geophone page and the seismic analysis software page.