Golden Mask 4-18Khz

Brand: Golden Mask Metal Detectors
Product Code: GM4
Availability: 19
910.00 лв.

Ex Tax: 910.00 лв.
Qty: - +
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Operating frequency – 18 kHz

Basic search coil-10,5''
 Operation mode – motion
 Automatic ground balance
 Manual ground balance
 Multi-tone discrimination
 Audio discrimination
 Adjustable scale of metal discrimination
 Adjustable search depth
 Adjustable audio tone
 Adjustable audio volume
 Innovative, completely redesigned electronics, combining productivity and enhanced sensitivity
 Charger – a pack of 10 rechargeable batteries 1.2 V AA/ 1000 mAh
 Single charge operating time: minimum 20 hours
 LED low battery indicator
Headphones jack


Optional coils
DD 7” (18 cm), DD 8” (20 cm), DD 8x10” (20x25 cm), DD 10X12” (25x31 cm)
DD 12.5” (32 cm), 12.5x15” (32x38 cm


The battery holder is made of plastic and contains a pack of 10 batteries AA NiMH 1,2 V/ 1000 mAh.

Control features
“POWER LEVEL” potentiometer – sets the audio threshold and adjusts the search depth of the metaldetector;

“AUDIO FREQ.” potentiometer – adjust the audio tone

“GB” switch – switches between the operation modes (manual/ automatic ground balance)

“GROUND BALANCE” potentiometer – eliminates the ground interference on the operation of the metaldetector while in manual ground balance mode
“DISC” switch – selects between the two types of discrimination – multi-tone discrimination or audio discrimination
“DISC. LEVEL” potentiometer – sets the rejection level of iron objects
“VOLUME” potentiometer – switches on the metaldetector and sets the audio volume

“HEADPHONES” jack – mono headphones could be connected if needed
“LOWBATTERY” LED indicator – indicates

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