Terraloc Mk6 Seismograph

TERRALOC Mk6 12, 24, and 48 channel seismographs

12, 24, or 48 channels Rugged sealed aluminum case Easy to use menu operation Daylight visible LCD screen 18 bits + 3 bit IFP, (126db) Selectable analog low-cut filters Analog notch filter 25us sample rate for tomography 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 100MHz 486 computer RS-232, parallel, and SCSI ports Weight only 16kg (24 channels)

Specifications:
Channels (small chassis)..............4 - 24		Pretrigger data...0-100%/record
Channels (big chassis)..................4 - 48		Computer................486, 100MHz
Auxilliary channels...............................1		RAM......... 4MB, 16MB optional
A/D converter...........18 bits +3bits IFP		Disk drive..........540MB or more
Dynamic range..............................114db		Floppy disk...... 3.5 inch 1.44MB
Harmonic distortion....................-80db		Ports..........Serial, parallel, SCSI
Crosstalk........................................-86db		Display....................... 9 inch LCD
Frequency range..................1 - 4000Hz		Operating temperature.... 0-50C
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.........16kg (48 chan 23kg)

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.