| Metal object / Search coil | 35cm DD-coil | 45cm coil | 1 x 1m double frame square | 1,5 x 1,5m double frame square |
|---|---|---|---|---|
| X: Outside the range of the coil. Detection depths recorded using the medium air; DELAY4/GND4, SENS5. Detection depths can differ depending on different ground or delay settings. With bigger metal objects far higher detection depths can be expected. |
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| Gold nugget d = 0,5 cm |
28cm | 30cm(X) | X | X |
| Silver coin d = 2,5 cm |
50cm | 55cm | 50cm(X) | X |
| Brass plate 10 x 10 cm |
100cm | 110cm | 145cm | 170cm |
| Soft drink can 0,33 l |
120cm | 130cm | 165cm | 200cm |
| Iron box 30 x 18 x 15 cm |
170cm | 200cm | 280cm | 340cm |
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Function – DEEPMAX Z1
The LORENZ DEEPMAX Z1 is based on the non-motion Pulse GBS (Pulse Ground Balancing System). Short and intensive magnetic pulses are emitted by means of a search coil first. Those magnetic pulses produce eddy currents in conducting materials like metal objects for example. Said eddy currents will be kept in a metal object and will die away after the magnetic pulse emitted by the search coil has turned off. This is the reason why it is possible to detect those eddy currents during the time delayed receiving phase by means of the same search coil which now acts as a receiving coil. A rather complicated electronic circuitry is necessary to detect those tiny voltage changes and has to separate that particular signal from interference also received. The signal has to be amplified to drive an audio stage with voltage controlled oscillator (VCO), which emits an audible signal either by headphones or built-in loudspeaker when a metal is in the near of the field of the search coil.
LORENZ DEEPMAX Z1
The LORENZ DEEPMAX Z1 series detectors are some of the newest developments in the field of Pulse GBS metal detectors. It is probably one of the most sensitive and stable metal detecting devices of its kind presently available. The LORENZ DEEPMAX Z1 is the result of many years of research and development. A lot of efforts have been put into making this new product and especially in the new improved metal classifications and automatic ground balancing facilities.
