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Pulse induction metal detector

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Low reaction for stones, consists iron and ferrous oxides

Possibility to use small, normal and big coils

Easy mounting in a box

You can use this metal detector for:

  - Experiments with PI metal detectors

  - General purpose metal detector


Model on New Hobby: NH-250

Principle: Pulse Induction

Mode: non-motion

Search coil: 27 cm, possibility to connect small and big coils

Indication: LCD display, sound

Ground compensation

Discrimination: yes, but not good

Power: 18V,  reverse polarity protection

Low battery alarm

Consumption: 120 mА

Dimensions of PCB: 92 x 79 mm

Dimensions of controls panel: 38 x 33 mm

Depth with 27 cm coil: 

25 cm for small coin

30 cm (1 euro) for big coin

Big objects at greater distance.

The kit contain: 

Assembled board + display and controls board (see pictures)

Search coil 27 cm

Cable between board and coil (1 meter)