Metal detector for deep searching

ASSEMBLED BOARD 

ATTENTION: This detector is not suitable for beginners.

This detector work stable with various coil diameter - from 10 cm to 1x1 m 

Only 3 potentiometers

Low reaction for stones, which consists iron and ferrous oxides

You can use it for:

  - Deep searching (with big coil or frame)

  - General purpose metal detector

  - Searching on the beach

  - Searching meteorites

  - Searching gold (nugget)

Characteristics:

• Model on New Hobby: NH-173s
• Principle: Pulse induction
• Mode: non-motion
• Search coil: White (you can buy it from the site). Also you can do it yourself (description in manual).
• Sensitivity (with 27 cm coil): 30 cm for small coin, 45 cm for big coin.
• Indication: sound (speaker not included)
• Low battery indication
• Power: 12V
• Reverse power protection
• Consumption: ~140 mА
• Dimensions of PCB: 80 x 98 mm
• This model also can be purchased as project for dowloading on the site www.1-PCB.com