PI metal detector for deep searching

$75.00
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In-stock

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

Only 3 potentiometers

Low reaction for stones, what 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-173

Mode:non-motion

Manual and Auto Threshold

Search coil: RED (not included, choose diameter from the site)

Indication: sound (speaker not included)

Low battery indication

Power: 12V

Reverse power protection

Consumption: ~140 mА

Dimensions of PCB: 127 x 92 mm

NH-173
2 Items

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08/03/2020

Penambahan apa pada speaker untuk mengubah audio suara

how to change the sound to make it sound like fisher gold bug2?

07/31/2020

Potentiometers

@Steve H - Delay, "ground", Threshols. The schematic is popular Sniffer.

  • 2 out of 2 people found this review useful.
07/30/2020

Steve H.

Can you tell me what each of the 3 potentiometers are used for?

  • 0 out of 1 people found this review useful.
04/10/2020

V/A1

Thanks for your answer. The detector is perfect looking very deep into the ground with a square coil.

04/08/2020

V/A

To points VA1 you can connect ammeter 100 uA - for signal level meter.

  • 2 out of 2 people found this review useful.
03/25/2020

V/A1

The two empty holes V/A1 why are there? What can we connect to them?

02/17/2020

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