Metal Detector vs. Magnetometer
If you are searching primarily for nonferrous metal (gold, silver, lead, brass, bronze, aluminum, etc.), the best piece of equipment is a metal detector (Pulse 6X, Pulse 8X or SAR-1).
If you are searching primarily for ferrous metal objects (iron and steel), the best piece of equipment is a magnetometer (DiverMag-1 or PT-1). The advantage of using a magnetometer is that it has a much greater detection area than a metal detector.
Snareless metal detector, no external wires or cables.
JW Fishers SAR-1 was specifically designed for military, law enforcement and public safety dive teams to locate metallic objects in low visibility environments. The "snareless" SAR-1 has a streamlined design with no external wires or cables which makes this detector the ideal tool for work in environments with potential entanglement hazards.
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The highest performance diver-held ferrous metal detector on the market today.
The Diver Mag 1 is a top performing microprocessor driven marine magnetometer detection system with a one gamma sensitivity. This hand-held mag is a super sensitive detector of ferrous metal (iron/steel) that works equally well on land and underwater. The mag will locate pipe lines, cables, cannons, dredge parts, and just about any ferrous metal object of any size. Ruggedly constructed for commercial operations, the Diver Mag 1 was designed with user friendly controls for ease of operation. Out of the water, the handle grip makes the mag easy to carry.
Operator selectable cycle times (how often a reading is taken) of 2, 5, or 10 seconds allow for a strong return signal and a fast response to detect even small targets. An adjustable sensitivity switch makes pinpointing even the largest of targets extremely easy. The Diver Mag 1 features a triaxial noise-canceling sensor that let the mag be held in any position without affecting sensitivity or stability of the readout. The readout is displayed on an easy to see 5 digit LED for murky water or night operations. In addition, an audio output allows the diver to operate the system without the need to watch the LED display. Easy to maneuver with operator adjustable buoyancy, the Diver Mag 1 can be used anywhere in the world.
Power is supplied by an internal 12 volt rechargeable battery that will last for two continuous hours at the 5 second cycle time. Increase the operating time by using the optional belt mounted spare battery pack. The included battery charger connects to any 120 ac voltage source (220 ac charger is optional).
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The sensitive, pinpointing magnetometer.
The PT-1 is a sensitive, pinpointing magnetometer. It works equally well on land, and in fresh or salt water. The PT-1 was specifically designed to locate and track iron and steel pipelines and armored cables, but it will also detect all ferrous (iron/steel) targets buried under any kind of material, including concrete, with no loss in detection range.
The pipe tracker consists of a 3 foot long probe with an electronics box mounted on one end. In the tip of the probe is a sensor that measures changes in the magnetic field. Iron and steel objects create a distortion in the earth's magnetic field, and the pipe tracker detects these changes. The larger the object, the greater the field change. The PT-1 displays these changes with both audio alarm and a visual indicator.
The detector uses modified magnetometer technology to provide good sensitivity with easy pinpointing of targets. Though it does not have the long detection range of more powerful magnetometers, like our Proton 4 and Diver Mag 1, the PT-1 can pinpoint and track pipelines located near steel bridges and metal bulkheads which could be a problem for other magnetometers. The PT-1 not only tracks pipelines and armored cables, but it will also locate anchors, chains, dredge heads, weapons, explosive devices, and any other ferrous metal object within its detection range. Three different sensitivity settings assist the operator in determining the exact location of any target.
The PT-1 Pipe Tracker is powered by internal rechargeable batteries that power the system for 15 hours per charge. Off-the-shelf alkaline batteries can also be used if needed. The battery condition is displayed on the meter and a low battery indicator flashes when batteries need recharging.
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Fishers' top of the line detector.
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 it's 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. Diver with Pulse 8X and Spanish coins 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.
Powered by an internal 9 volt rechargeable battery pack, the detector will easily run all day on a full charge. Recharge the battery overnight, and it's ready for another full day of hunting.
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 8X has double the power and detection range of the Pulse 6X detector.
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Pulse induction metal detector.
The Pulse 6X has the same top quality construction and 200 foot depth rating as the top-performing Pulse 8X, but with less detection range. The Pulse 6X not only shares many of the same features, but it can be upgraded to the Pulse 8X at any time. No other detector is available with this type of upgrade feature. The Pulse 6X is in use by military, law enforcement, commercial, and salvage divers worldwide.
The claim-to-fame of this pulse induction metal detector is it's ability to ignore minerals in the environment while maintaining high sensitivity to all metal targets. The Pulse 6X is not affected by highly mineralized salt water, coral, rocks with a high iron content, or magnetic (black) sand; all of which drive conventional detectors crazy.
The Pulse 6X detects all metals from coins and jewelry, to anchors and cannons. 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.
Powered by an internal 9 volt rechargeable battery pack, the detector will easily run all day on a full charge. Recharge the battery overnight and its ready for another full day day of hunting. The Pulse 6X comes with all the accessories needed to use the detector on land and to dive to depths of over 200 feet. The standard package includes a corrosion proof PVC handle for underwater use and an anodized aluminum handle for land use. The package also includes an underwater earphone, AC and DC battery chargers, a hip-mount kit for the electronics housing, a spare parts kit, and JW Fishers Search Team hat. See below for additional options.
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