large LCD treasure hunter underground metal detector

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Introduction

VLF81 is unique among gold prospecting metal detectors for its combination of high sensitivity to small gold nuggets and its versatile function as an all-purpose treasure detector.

The controls and features are tailored to gold prospecting, including a sophisticated ground balancing system, separate control over signal gain and threshold, and a unique discrimination control system. These features also make for a great relic-hunting detector, especially when it is outfitted with the optional 11” DD search coil. While the VLF-81 makes for a highly competent coin-shooting detector, its user interface and features are not specifically designed for this purpose. As a coin-shooter, you will notice that the VLF-81 exhibits slightly lower sensitivity to high conductivity coins, like a U.S. quarter; this is a result of its specialized design to emphasize sensitivity to small low conductivity metals like gold nuggets.

VLF81 is outfitted with a small 5” search coil as standard equipment since this search coil construction is best-suited to finding gold nuggets. You may be familiar with other metal detectors which have larger search coils, generally in the range of 8 to 10 inches in diameter. Large coils are designed to cover the maximum amount of ground efficiently and for the deepest ground penetration. Small search coils, intended for gold prospecting, are designed for precision. Iis small DD search coil makes pinpointing easier, fits into small spaces where gold is often hidden, is better suited to penetrate highly mineralized soils where gold is frequently found, and has the highest possible sensitivity to tiny gold nuggets.

Specification: Mechanical: S-rod with electronics housing on rod, 3-piece breakdown construction, nonmetallic telescoping lower rod, adjustable position arm rest Weight: 2 lbs, 8 oz with battery installed Standard search coil: 5 inch (12.3 cm) closed-frame round biaxial(not waterproof) Batteries: Single 9 volt rectangular alkaline Operating principle: VLF induction balance Operating frequency: 19 kHz, crystal controlled Reactive overload: 10,000 micro-cgs (with standard search coil) Resistive overload: 1,200 micro-cgs (with standard search coil) Ground balance range: From ferrite to salt water inclusive Discrimination ground suppression: Combination of 2nd and 3rd order methods Target ID ground suppression: 3rd order Battery life: 15+ hours on good quality alkaline Operating temp range: 14 to 122 degrees F (-10 to +50 C) Operating humidity range: 0 - 90% noncondensing

Any of your kind inquiry would be replied within 12 hours. Well-trained and experienced sales staffs will reply all your concerns in fluent English. OEM services are available with us, our professional designer would make your private idea into being.

Protection of your sales area, ideas of design and all your private information. Delivery by air mail or ship for your orders. With years of manufacture and promotion experience in global market, brings you profit and great success!

1. Are you manufacturer or trade Company? We are a factory founded in 2007 with trade team for international service.

2. What terms of payment you usually use? T/T 30% deposit and 70% against document, Western Union, L/C at sight

3. what is your lead time for your goods? Normally 45 days after confirmed order. 30 days could be available in low season for some items (during May to July), and 65 days during new year and hot season ( Jan to March).

4. Do you attend any Show? We attend SPOGA show in Germany, Canton fair in China and many other special furniture shows.

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Best wishes!

welcome to>>Junhong Electronic & Technology (Dongguan) Co., Ltd.