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 The
Proton 4 is the ultimate detector for iron and steel targets.
It has a one gamma sensitivity, which is the maximum practical
sensitivity for a towed magnetometer. It's maximum range
capability of 1500 feet on each side (3000 foot total swath)
lets you search a wide area quickly and completely.
The mag is also a good choice to locate 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. The detection range is unaffected by the
medium between the magnetometer and the metal target.
Performance does not change whether detecting through air,
water, silt, sand, or solid coral. It's extremely large detection area make
this magnetometer the ideal choice for both commercial
operations and professional wreck hunters. The Proton 4 is
in use by military units, law enforcement agencies, and
commercial diving companies world wide.
This high performance marine magnetometer is ruggedly built and
easy to operate. The topside console has both audio and
visual alarms for target detection. Connect a GPS and
position coordinates can be captured with the mag readout data
on a built-in printer. The control box has an adjustable
sensitivity switch that lets the operator select maximum
sensitivity for open water searches or a lower sensitivity
setting to work in rivers or harbors where steel structures may
be nearby. A cycle time switch lets the operator
choose a 2, 3, or 4 second cycle time. Selecting a longer
time is helpful when working in an area with a weak magnetic
field. An adjustable audio alarm lets the operator decide
how much of a change in the baseline reading will cause the
alarm to fire. When searching for small targets, low alarm
settings alert the operator to small changes in the readout.
Higher alarm settings cause the alarm to fire only when a
significant ferrous metal object is detected.
Optional Tracker software shows the path of the boat as it moves
over the search area along with a cascading waterfall of the mag
readouts and the GPS position associated with each readout.
When a target is detected, the readouts and coordinates change
color so the
operator can quickly see when and where a target is detected.
At the bottom left of the screen is a graphical representation
of the last 5 minutes of mag readouts. When a target is
detected a spike or deep V is drawn on the graph. In
addition to the mag and GPS data, other information displayed
are the boat's speed, compass heading, and the sensitivity
setting selected by the operator.
The system includes the towfish, 150 feet of
cable, and a top-side control unit. The control unit features
easy to read LCD display, audio alarm, and variable sensitivity
switch (for pinpointing targets). An optional built-in printer
is available which gives hard copy of mag readouts and Loran or
GPS position. Options include 300 foot tow cable, UA-2
altimeter, RS232 data output, GPS interface, data collection and storage
software; 500 and 1000' depth rated versions are also available. The
complete system is
powered by two 12 volt batteries with a total power consumption of
only 40 watts.
Key Features of the Proton 4:
Commercial grade construction, extremely large detection range,
faster towing speeds than Pulse systems, and ability to make a
permanent record of mag readouts with position coordinates.
The Proton 4 is backed by Fishers exclusive, unconditional
TWO YEAR warranty.
Download
Proton 4 data sheet
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