Metal Detector Circuit Price

[Alysa Guillama]

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Industrial metal detectors are an essential tool in many processes, and at Alibaba.com you can source exactly the right type with ease. Our wholesale catalogue is the place to find a new or refurbished metal detector circuit that's optimized for industrial settings. Use a metal det circuit to make sure that food products or pharmaceuticals aren't contaminated by metals, filter conveyors to remove metal items, prospect for valuable minerals, or create security systems for factories. It's all possible with industrial metalressors from Alibaba.com where you'll find every type at affordable prices.

With a 200 foot depth rated housing and a 6 foot maximum detection range, the Pulse 8X is Fishers top of the line detector. It's heavy duty construction and high sensitivity make the Pulse 8X the choice of professionals everywhere. This commercial-grade metal detector is used by treasure hunters, commercial diving companies, law enforcement agencies, and military units worldwide.

The claim-to-fame of this pulse induction detector is its ability to ignore minerals in the environment while maintaining high sensitivity to all metal targets. It is not affected by highly mineralized salt water, coral, rocks with a high iron content, or magnetic (black) sand; all of which drive conventional metal detectors crazy. The Pulse 8X detects all metals from coins and jewelry, to anchors and cannons; and does it on land, or in fresh or salt water. The diver is alerted to presence of a metal target by both visual readout (shown on the meter) and an audio output (heard in the underwater earphone). The detection range for a target is unaffected by the medium between the detector's coil and the metal object. Performance does not vary whether detecting through air, water, silt, sand, or solid coral.

The Pulse 8X comes with all the accessories needed to use the detector on land or dive to depths of over 200 feet. The standard package includes a corrosion proof PVC handle for underwater use, an anodized aluminum handle for land use, underwater and land headphones. The package also includes AC and DC battery chargers, a hip-mount kit for the electronics housing, rugged Cordura carry bag, spare parts kit, and JW Fishers Search Team hat.

A complete line of interchangeable coils are available which gives this detector tremendous versatility. Two of the coils can be deployed from a boat; the operator can be topside with the electronics unit, and have a coil on the bottom searching for metal. See below for additional options.

The Pulse 6X is a more economical version of the Pulse 8X. This detector's single knob control makes it extremely easy to operate. Ideal for novice hunters and new divers - just turn on and go! The Pulse 6X can also be upgraded to the Pulse 8X at any time.

Commercial grade construction, full meter readout, audio jack with detachable earphones, rechargeable batteries, and optional interchangeable coils. The variety of different coil sizes available allow this detector to be used on land, underwater, or deployed from a boat.

I thank the great minds over at the Geotech Forums such as Silverdog, 6666, Tepco, and others who have answered my questions and posted their findings and explanations to help others in building a detector from the kit to the coil. OK, on to the instructions!

The Surf PI 1.2 kits come with everything you need to make a fully functioning PI metal detector. However, you will need to get creative and figure out what you can use to make the coil (ill show you how later), metal detector shaft (pvc pipe, wood, cut off crutches, etc), coil and board housing (can be anything such as a waterproof case/see optional SKU, and bucket lid), coil connection to circuit board (some rg6 or usb cable), and power supply (which ive already provided links above).

The double sided tape keeps the dvd spindle stationary, and allows the wire to be temporarily anchored to the base while you are winding. Put a few dabs of super glue as you wind so the coil will stay tight. For added strength, I ran a bead of super glue down the 4 cardinal points of the coil and cut small strips of plastic from the super glue blister pack to press onto the beads. When the glue dries, you can use a flat butter knife and slide it under the coil near the double sided tape to pop the coil up from below, and remove it from the tape.

1. Turn the unit on (volume knob, or just plug in the battery pack) and see that everything is working as it should (you should get an audible response from adjusting the volume and threshold potentiometers). Set the threshold potentiometer till you have a steady tone which is just above silence.

2. Next lets tune the offset. The offset needs to be set to 0v DC. Connect the multimeter positive lead to pin 6 of the NE5534P and the negative lead to ground. It helps to have someone turn the screwdriver for the next step.

This seems to correlate with the others on the Geotech forum who have built this machine using the stock components. However, this detector has the capability to be tuned to be more sensitive by swapping some components. To learn more about how to do so, check out post #31, #33, and #35 by Tepco on this thread.

Hey there, I find your site very informative and interesting. Can a person use headphones for this kit by adding some sort of receiver? Also can an LCD display be added that shows shape of object etc., or would it be best to buy a different DIY kit to have these features? Thanks for your time and help? Gods Peace. Jim

Probar mi construccin de Surf PI. Obtengo un tono slido pero parece que no puedo ajustarlo hacia arriba o hacia abajo. Intent sintonizarlo con el ajuste en la placa de circuito sin suerte, los pequeos tornillos no parecen tener ningn punto muerto y solo giran para siempre.

For anyone willing to buy a pcb from pcbway, they can get it from here _pi_1_2_metal_detector.html . I decided to write this down because some people wanted it. It is a great option for those where the kits dont ship like in India, where I live !

The White's PulseScan TDI was released in 2008 and is still in production as the TDI SL. Prior versions have been discontinued. I was one of the original users of the TDI and still dabble with them to this day. See my story White's TDI at Moore Creek, Alaska for pictures of lots of TDI gold nugget finds. I also have extensive notes on using the TDI for coin detecting at Steve's Guide to White's TDI Coin Settings. The TDI is a unique detector and is seeing use in many applications unforeseen when it first came out.

The TDI has been available in several versions but all are basically the same detector as far as how they work. October 2019 Note: White's has a model called the TDI Hi-Q, which is a TDI SL with straight rod, new coil, and tan or camo paint job. See the details here.

I am a big fan of competition as I always want more and better detectors from the manufacturers personally, and I think competition is the best way to get better detectors. After Garrett got into the ground balancing pulse induction (GBPI) game with the Infinium people including myself were really after White's to make an entry into the field. I went so far as to visit White's Electronics personally to lobby for such a detector with suggestions on how to get there. Alan Holcomb, the CEO at that time, flew me down at White's expense for discussions on how to proceed with such a project. In particular, I advised that rather than developing something from scratch, it might make more sense to license the existing Goldscan technology from Eric Foster, widely known as "the father of pulse technology" for his early work in the field.

Eventually White's did decide to pursue the matter, and I was therefore aware early on that White's was working on a new detector, In 2007 I was sent a prototype unit to evaluate while I was on vacation in Hawaii. I was very impressed not only with the power of the detector but more importantly for me in Hawaii I was very impressed with how stable the detector was in salt water. It was also virtually immune to electromagnetic interference (EMI) issues that had dogged my use of other detectors in Hawaii.

My use of previous GBPI detectors, the Minelab models and the Garrett Infinium, made me familiar with how they respond to targets with various tones. Each target generates a dual tone that varies depending on whether the target is above or below the ground balance point that has been set. You will hear either a high tone followed immediately by a low tone (hi-lo), or a low tone followed immediately by a high tone (lo-hi). This dual tone system is effective for most uses but if you get into a target rich location it in effect doubles the number of audio signals coming from the detector.

I also had an opportunity in Alaska to visit with Brent Weaver, the main engineer at Garrett responsible for the development of the Infinium. While testing a prototype Infinium I asked him about the dual tones (Garrett now refers to them as "echos") and whether they could be suppressed. He told me the dual tones were integral in how the Infinium worked and that it was not practical to produce a single tone result on the circuit they were working with.

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