JW Fishers Proton 5 Boat Towed Magnetometer

The detection range is unaffected by the medium between the magnetometer and the metal target. Performance remains consistent whether detected through air, water, silt, sand, or solid coral. Its extensive detection area makes this magnetometer ideal for both commercial operations and professional wreck hunters.

With a one Nano-Tesla (nT) sensitivity, it offers the maximum usable sensitivity for a towed proton precession magnetometer. A two-second cycle time provides a strong return signal and is fast enough to detect even small iron/steel targets. The PROTON 5 features a triaxial noise-canceling sensor for omnidirectional towing without heading error or dead zone. The system is fully digitized, displaying the current 5-digit measurement on an easy-to-read 6-inch LCD screen, backlit for night operations. Up to 80 previous measurements are displayed graphically in a history plot on the LCD. With the optional altimeter, the distance off the bottom of the towfish is displayed. User-friendly menus allow easy configuration of all operation settings and system tuning directly from the top-side control box. An adjustable audio alarm lets the operator decide how much of a change in the baseline reading will trigger the alarm.

The towfish has excellent hydrodynamic characteristics, moving smoothly through the water at tow speeds up to 10 knots. The Fish can be towed at almost any speed but should be towed slowly to locate small targets or when towing the Fish deep. A 2-3 knot tow speed is recommended for small targets. With the optional UA-3 Altimeter, precise distance off the bottom can be maintained. For deep water towing, the Fish is towed behind the optional DDW-1 Deep Dive Wing depressor. The collapsible PROTON 5 towfish easily fits into a watertight Pelican case. Modular construction allows easy field repair, if necessary.

The base system includes a 200-foot depth rated towfish, 150 feet of Kevlar reinforced tow cable, and topside control box. Optional USB data output and Tracker 3 software are available, allowing the mag readout to be displayed on a laptop computer, along with GPS position coordinates. Target position is displayed and recorded on the computer. An optional Microsoft Surface tablet can be mounted in the control box lid, eliminating the need for a separate laptop, making it a streamlined package.

Specifications

Fully Digitized
Displays 5-digit measurement on 6" LCD screen
User-friendly menus
Auto Tuning
Towfish separates into two pieces to fit in Pelican case
Strong detection of iron and steel
The Proton 5 is backed by Fishers exclusive, unconditional TWO YEAR warranty.

The PROTON 5 is a fifth-generation proton magnetometer from JW Fishers. It is a top-performing microprocessor-driven marine magnetometer detection system. The Proton 5 is the definitive detector for iron and steel targets. Its maximum range capability of 1,500 feet (450m) on each side (3,000-foot total swath) lets you search a wide area quickly and completely. The mag is also a good choice for locating a variety of smaller targets such as pipelines, anchors, chains, cannons, dredge heads, etc. It is especially useful when objects are buried in the bottom and can't be found with sonar or video search systems.

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