NEMFIS is a patented three coils sounding device that includes the transmitter and two receivers. It has special geometry of electromagnetic field and harmonic generating on 14 frequencies within the range from 2,5 to 250 kHz. Receivers cancel primary field in the air ? so it is no need to make ground balance with this device.
With scanner NEMFIS operator can find: non-ferrous and ferrous metal objects, cavity, ceramic and plastic objects, underground structures, tunnels, water and else that has contrast in conductivity level with the ground.
It is very simple to work with scanner NEMFIS. You can choose one of three methods of searching:
- Line;
- Map;
- GPS tracking.
For operative scanning of big open air areas ? you can choose ?GPS track? mode with automatic generating of impulses. After pressing ?Start? button you can start moving with device to scan the searching area. GPS will track your position and you will see drawing of conductivity spreading maps (from one of the freqs.) on your PDA in real-time.
Scanner NEMFIS is measurement device with because it has very precision dipole sensors.
Interpretation of final data ? very easy to understand. Metal object has small value of conductivity and will show in red color (you can choose any color gamma of conductivity level), other objects: caves, plastic boxes, ceramic, stones has different conductivity and you can always recognize it in ground with constant conductivity.
For detailed work with data measurements ? it is possible to draw 3
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