JUNHONG ELECTRONIC & TECHNOLOGY (DONGGUAN)CO., LTD.
Model No.: VLF81
Application: research, military, commercial, industrial
Certification: CE, ISO
Alarm Form: Audible Alarm
Batteries: Single 9 Volt Rectangular Alk: Weight: 2 Lbs, 8 Oz With Battery Installed
Packaging: paper carton
Productivity: 1000 pcs/month
Place of Origin: China
Supply Ability: 1000 pcs/month
Certificate: ISO ,CE
Deep Search Gold Detector
The VLF 81 is a new innovate gold metal detector . It takes of Very low frequency technology that suitable for Gold ,sliver,cooper,coins.historic relics and so on .it can meet various daily treasure hunter purpose .it has earthly full environment friendly green color make you fell pleasure,can find smaller gold nuggets, smaller coins easily.
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
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.
Mechanical: S-rod with electronics housing on rod, 3-piece breakdown
construction, nonmetallic telescoping lower rod, adjustable position
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
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
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