Guideline Geo

- Model Pro - Versatile Seismograph Meter



The ABEM Terraloc Pro is a versatile seismograph that can be used with any type of seismic accessory for every possible application. Typical applications are depth to bedrock, bedrock quality, soil stability studies, finding fractures and weak zones, and geological mapping. In all these applications the seismograph is triggered by ground vibrations created by an energy source. Time is then measured accurately until the ground vibrations have propagated through the ground and can be measured by geophones connected to the seismograph.

The ABEM Terraloc Pro is a standalone system and comes with built-in computer, data storage, measurement channels and user interface. Measurements are conducted using a graphical interface with a look and feel that is familiar. The system is enclosed in an aluminum casing that is rugged and robust, meeting IEC IP 66 classifications so that measurements can be made in all situations and environments. ABEM Terraloc Pro is equipped with GPS, WiFi, Ethernet, USB and VGA. If needed, the ABEM support team can remotely connect to the instrument, regardless of where the instrument is situated.


The ABEM Terraloc Pro can be configured with up to 48 channels in one unit, allowing for many sensors and resulting in high resolution of data. If more channels are needed, several units can be connected to gain more channels. The cutting edge technology in the design of the measuring channels gives outstanding resolution of the measured signal both in terms of time and amplitude. The result is incomparable data quality.

  • Designed for outstanding data quality
  • Graphical user interface with a familiar feel
  • Standalone system makes it easy to operate in the field
  • Quality control before and during measurements
  • Rugged and robust, do measurements anywhere, anytime
  • Georeferenced data using GPS
  • Possible to conduct any type of seismic method

  • Depth to bedrock
  • Soil stability
  • Geological sequences and structures
  • Ground water
  • Rock quality
  • Rippability

  • Built-in computer
  • 12, 24 or 48 measurement channels
  • WiFi, Ethernet, USB and VGA connectivity
  • 100 GB storage unit
  • 2D and 3D measurements
  • Sunlight visible LCD with graphical user interface
  • Up to 480 000 samples and 80 minutes record length
  • Military grade connectors
  • High quality cables and accessories


  • No. of channels: 12, 24 and 48
  • Additional channels: Easily obtained by linking two or more units together
  • Up-hole channel: Yes, 2 additional independent
  • Sampling rate (selectable): 100 sps – 50 ksps (20 μs – 10 ms)
  • Record length (selectable): Up to 480 k samples / ch. equivalent to: 5.1 ms – 80 min
  • Pre-trig record (selectable): 0 – 100 % of record length
  • Delay time: Up to 2 minutes
  • Stacking: 32 bits, up to 999 impacts
  • Trigger inputs: Trigger coil, make/break, geophone, TTL
  • A/D converter resolution: 24 bits
  • Dynamic range: (theoretical / measured) 144 dB / > 120 dB
  • Input voltage range (selectable): 0,5 Vpp, 5 Vpp, 12,5 Vpp
  • Input gain (selectable): 0 dB, 12 dB, 24 dB, 36 dB, 48 dB
  • Input impedance (selectable): 3 kΩ, 20 kΩ, 20 MΩ
  • Frequency range: DC to 20 kHz
  • Total harmonic distortion: 0,0005 %
  • Crosstalk: -120 dB
  • Noise monitor: Amplitude


  • Digital filters: Band-, low-, high-pass band-reject, remove DC offset
  • Spectrum analysis: Any single trace, FFT analysis
  • Velocity Analysis: On-screen analysis of refractor velocity


  • Processor: Low power Intel Atom, 1.6 GHz
  • Operating System: Windows XP Pro
  • Internal RAM: 2 GB (DDR SO-DIMM module)
  • Hard disk capacity: 100 GB or greater
  • Display: 8.4“ Active TFT LCD, full color, daylight visible, 800 x 600 res.
  • External display port: VGA output
  • I / O port: 3 x USB 2.0 ports
  • Network interfaces: 1x Gigabit Ethernet in RJ-45, 2x TP-10/100 in KPT08, Wi-Fi


  • Power: 10 – 34 V DC external power, 12 V internal battery
  • Power consumption: 30/60 W (man/acq)
  • Connectors: NK-27 / KPT 55
  • GPS: Yes
  • Ambient temp (operating): -20 °C to + 55 °C
  • Ambient temp (storage): -30 °C to + 70 °C
  • Casing: Rugged Al alloy, meets IP66
  • Weight, 24 channels: 10 kg
  • Weight, 48 channels: 11 kg
  • Dimensions (W x L x H): 39 x 21 x 32 cm

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