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GEO EXAMINER_

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Description
GEO EXAMINER ground radar
 

Specifications

Display: 10.1” LED, 1280 x 800 resolution
Processor: INTELL Core Atom
Input device: Resistive touch screen
Operating system: Windows 10
Working memory: 2 GB
Data memory: 64 GB HDD
Feedback: Voice commands, visual
Dimensions & weight: 250 mm x 180 mm x 50 mm / 1200 grams
Αaccessories: AC/DC adapter, Power Cord, Protective bag
Safety Certification: CE
Battery: Lithium polymer, lasts up to 9 hours
With external battery up to 15 hours
Charging Time (Battery fully discharged): ca. 1 Hours
Leather carry bag and neck straps

 examinercomputer
   

• 3 integrated systems

Geophysical locator: 4 or 22 probe resistivity measurement. Manual ground rejection control to work at all soil types

Magnetometer: 1 m. antenna. Automatic ground cancel

3D Metal Detector: with discrimination. Mineral rejection

Other optional antenna systems are under development!

 

• Frequency range

Geophysical locator : 137 Hz

Magnetometer : +/- 50,000 nT

Metal Detector : 25 KHz

 

• Computer controlled data collection

- Automatic Mode: Recording and Readings are captured automatically at intervals selectable from 1/sec to 100/sec

- Manual Mode: Manual capture. Real time data graphics for both modes

 

• Data Points

10.000 scans per survey, ability to store unlimited data files on hard disk

 

• Data point density

Dependent on step length, distance between measured profiles and system used :

from 5 cm to 10 m.

 

• Resolution
10 Bit / 5V

• Ambient temperature
-20 to 55 C

• Data processing
On site real time 2D and 3D target presentations, interpretation, modeling, replay, exporting to bmp, jpg, metafile, png and data file formats, printing

• Standard equipment
- GEO EXAMINER GPR Computer,
-Interface,
- Geophysical locator with 4 probes / cables, in watertight case
• Additional equipment
- Geophysical 22 probes module, 22 probes with their 2 x 17m multi cables,
- Magnetometer in hard carry case,
- Metal Detector

   
 Geophysical locator survey with probes
 
 

GEO EXAMINER analyses digital the signal from pairs of transmitting and receiving probes continuously. Working with probes is like “X-raying”, the soil between the probes is scanned by the induced signal completely, and all structures laying in become visible.

The EXAMINER probe signal is ELECTRICAL and it has a direct connection to the ground through the probes, the ELECTRICAL signal travels through minerals and wet ground without loosing its penetration ability.

Ground radars ( GPR ) and VLF systems use ELECTROMAGNETIC signal, the ELECTROMAGNETIC waves are transmitted aerial towards the ground, minerals and wet ground often absorb them and the depth is reduced significantly. The EXAMINER ELECTRICAL signal encounters ground resistance and takes the path of least resistance to travel from transmitters to receivers.

Precious metals in the ground due to their conductivity create LOW electrical resistance and attract the EXAMINER signal.
At the opposite a voids due to the air trapped inside creates HIGH electrical resistance.

Therefore voids, caves have a high Soil Data profile while metals indicate low. Conventional instruments on the market use only one transmitter and receiver, but the EXAMINER is on a league of its own! Its twin transmitter / receiver will push the signal at even greater depths than single ones, also detects small changes in ground geology, the result is accuracy, better depth, more resolution
from underground.

The EXAMINER is adjustable to all ground types, canceling out errors from minerals and wet ground. Also the signal has 8 gain levels to select the suitable for every area.

 
 

22 Probes

Select “22 Probe” and click on “START X 10”, underground data are automatically collected and viewed, from 2 multi-cable strings of 17 meters and 11 electrodes each. This is a great advantage over conventional geophysical systems on the market that use only 4 electrodes which make the field work time consuming - with poor images.

The multi rod data acquisition is found on geophysical locators that retail twice the cost! Storing of values, co-ordinate field settings and target imaging are operated by the locator.

The automatic EXAMINER data collection speeds up the scan,
which also will be enhanced with detailed imaging ! For 22 probe survey the “22 Probe module” is needed, along with the 2 multi cables shown.

 
 22module  

4 Probes

Α conventional 4 electrode survey using 4 x 10 meter cables,
the operator moves manually the transmitting and receiving probe pairs, controlling data capture. A useful mode for limited spaces, target pinpointing or where finer surveys are in demand.

 ex4rods 4PROBES
 
 
 
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