MD-91(4M UNDERGROUND) Ground Search Metal Detectors

MD91 GROUND SEARCHING METAL DETECTOR     

In accordance with the needs of users, our company developed the MD91-type metal detectors

MD91-type metal detectors used high-power launch, automatic tracking system, it is sufficiently probing depth and accurate identification ability is super-professional deep-detectors, particularly applicable to the detection of deep strata operations. The device has Discrimination and Ground Balance function. Could be charged directly. Has big and small search coils, earphone and charger.

Specification:
1. Rechargeable, Battery Life L.E.D lights, charging indicator lights.
2. Full-control Ground Balance. 
3. Unlike any other metal detector on the market today, MD91 could distinguish Ferrous and Non Ferrous metal
4. Be capable of remarkable depth and extreme sensitivity in the worst grounds.
5. Waterproof 15" search coil.
6. Threshold Control. Accurately adjust the audio to hear the smaller, deeper signals.
7. Frequency Control adjusts for hunting near power lines, microwave or other environmental interference.
8. English Panel, easy operation
9. Two-year Parts and Labor Warranty. Lifetime Service.

Metal buried in the ground, we, through thick layers to exploration, geological structure will inevitably be affected. Formation contains a wide range of minerals, they will also have a metal detector signal, a signal of some minerals will cover up the signal swap metal caused illusion. The old test used metal has such experience, with the key in the probe ground surfaces, the signal also followed changes in the probe near the mound, stones, bricks would be given by the alarm sound, a phenomenon known as "mineralization reaction. " Because of this, the old metal detector test can only detect metal in the shallow soil, buried deep under the ground metal target is powerless. MD91-type apparatus equipped with advanced balance system, metal only strobe signal, eliminating the "mineralization reaction" interference, greatly improving the detection apparatus depth.

MD91-type machines used "level with the" design, random with a probe size of the two, under normal circumstances, such as soil conditions indoors or more complex, connected to a conventional small probe detection. Conventional detection work stability, and distinguish between accurate and anti-jamming capability of soil. In exceptional circumstances, such as in the field of soil uniform lots, the goal of finding buried very deep, can be connected to the probe to enhance detection, detection deepened when the apparatus is the best penetration, but vulnerable to clutter interference.

MD-91 Applications:

1 Safety inspection;

2 Criminal department to quickly search;

3 Metal raw materials, fuel, food in the detection;

4 Metal objects check mail, parcel in the;

5 Pipeline, the exploration of underground cable;

6 Archaeology, exploration;

7 Found buried in the underground treasures of gold and silver and metal artifacts

Features:

1 The shell is made of high strength ABS engineering plastic, has the advantages of high strength, light weight, long life;

2 Can effectively distinguish accurately ferrous and non-ferrous metal function;

3 A balanced line, can eliminate the influence of "mineralization reaction" to bring, effectively improve the detecting depth and accuracy;

4 Having less pressure alarm device;

5 The rechargeable battery repetitive work;

6 Through speakers or headphones detecting metallic sound.

Parameters:

Mode of operation: balance / recognition

Frequency: 6.99 ± 0.2KHz

Audio frequency: 450 ± 10Hz

Work making ratio: 2.5W

Electric making source: 8 1.5V batteries, rechargeable battery (optional), external: DC12V

Standard making: charger, headset, with external battery box, large detection disc

Detection: detecting disk size (diameter 390mm)

Detection sensitivity: 40-45 centimeter (one yuan coin)

The maximum detection depth: 3.5 meters

Note: the product enterprise standard with a (length: 60 cm x 60 cm x width: 1 cm thick:) aluminum plate embedded dry soil test. Generally speaking, the larger the number, depth, more greater; area is smaller, fewer, smaller exploration depth corresponding.

Packaging standards:

Single packing weight: 5.5kg

Single packing size: 775*455*190mm

FCL shipping weight: 23.5kg (4 / box)

FCL exterior size: 76.5*48*79CM

Products through the ISO9001:2000 quality management system certification, through the CE, ROHS certification.