Long Range Metal Detector Circuit Diagram Pdf

This is the circuit diagram of a low cost metal detector using a single transistor circuit and an old pocket radio.

Long range metal detector circuit diagram pdf.

The main disadvantage of this metal detector circuit is the range of detection. The single coil detector illustrated below is a simplified version of one used in a real metal detector. The power supply four ic s the pulse generation circuit four 555 s and coil. This is one of the oldest metal detection methods.

Block diagram of an ib metal detector figure 4. Revision b october 2000 manual revised to add information about the under belt single coil model and remote front panel. Its operation is quite simple. This revision documents version 1 01 of the oretronic iii tramp metal detector software.

Long rang detector made usa long range device developed to detect gold nuggets and treasure gold after many efforts manufactured and developed to be the first in the world to discover raw and artificial gold caves made in usa terra gold lr 100 is an innovative long range detector for electronic dowsing however only a single frequency preset selection can be made at a time. C2 c3 c7 c4 cl 3 c9 cl cl2 cl4 cl5 ri r2 r6 i microfarad disc type ceramic capacitor. 2 x 47nf capacitors ceramic capacitor code 473. The metal object has to be at a distance of 10mm for the detector to detect it.

1 adjust the sensitivity to. Oretronic tramp metal detector revision history revision a july 2000 manual released. Title download long range manual metal detector circuit diagrams author. Download long range manual metal detector circuit diagrams owner s manual the outbound metal detector is an easy to use detector the most difficult aspects of metal detecting have been automated however if you are new to the hobby we strongly recommend that you.

Block diagram of a bfo metal detector beat frequency oscillator bfo figure 4 shows the block diagram of a bfo metal detec tor. A block diagram of the circuit can be seen in figure 2. This is nothing but a colpitts oscillator working in the medium band frequency and a radio tuned to the same frequency. The following image shows the circuit diagram for the metal detector circuit.

1 x tda0161 proximity detector ic. 1 contains the search coil as part of its resonant circuit. Metal detectors contain one or more inductor coils that are used to interact with metallic elements on the ground.