Thunderbolt II underground metal detector is a product applied with United States' latest electronic technology, with built-in balanced line. It can deliminate all the "mineralization reaction" impacts to the probe. It can distinguish between non-ferrous metals and ferrous metals, greatly enhanced the effective detection of the depth and accuracy. It has the characteristics of excellent probing depth, positioning accuracy, strong resolution and simple and convenient operation.
This product apart from military applications, but also applies to the following areas:
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the public security departments Rapidity criminal search
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detection of raw materials, fuel, food metal debris
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to check mail, baggage and parcel of the metal items
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inspection of the underground pipes, cables
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archeology, prospecting
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found buried in the ground hidden treasures of gold and silver and metal scrap metal mineral acquisition
Product functional characteristics:
- metal detectors and metal identification function conversion
- underground metal and metal mineral exploration
- non-ferrous metals and ferrous metal identification
- the automatic adjustment functions
- manual adjustment to eliminate mineralization reaction
- speakers audible devices
- battery low power tips
- LED luminous function
- induction coil disconnected automatic alarm (when connecting cables loose when the automatic alarm)
Product Specifications:
- Maximum Depth :6-8 meters
- detection method: balance detection / identification detection
- main vibration frequency: 4.19MHz
- signal frequency: 7.2KHz
- Power: DC9V (6 1.5VAA batteries)
- Static current: 40MA
- low power: 7.2V +0.2 V 7.2V-0.2V