Kellyco Metal Detectors

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Fisher F75 Limited Edition Metal Detector
with Double-D Search Coil
fisher metal detector logo
If it's in the Ground or in the Water
a Metal Detector will Find it!!

Fisher Labs 75 Year Special Edition

Fisher F-75 Limited Edition In Black
The Latest Technology From The Oldest Name in The Industry.

HIGH PERFORMANCE The F75 Limited is a multi-purpose high-performance computerized metal detector. It has the high sensitivity and ground balancing control needed for professional gold prospecting, the discrimination responsiveness needed for serious relic hunting under difficult conditions, and visual target ID considered essential in searching for coins. The F75 Limited operates at 13 kHz for good sensitivity to gold nuggets and jewelry as well as to coins. The F75 Limitedcomes with an 11-inch elliptical Double D search coil for maximum detection depth in mineralized soils.

USER COMFORT The F75 is among the lightest and best balanced of all high-performance metal detectors, so you can hold and swing it almost effortlessly. The arm rest position is adjustable to fit your arm. The grip is durable high-friction foam elastomer, comfortable in any kind of weather. The controls are conveniently located and easy to learn how to use. Locking collars on the tubes eliminate rattling.

EASY-TO-USE & INFORMATIVE INTERFACE The entire menu is always visible on the LCD display. The LCD display indicates the electrical signature (target I.D.) of the detected metal object. The display provides continuous information on battery condition and on ground mineralization, which affects detection depth. Help messages are automatically displayed on the bottom of the display when necessary.

LOW OPERATING COST The F75 is powered by four AA alkaline batteries, which will typically last for more than 30 hours of use before needing replacement.

DESIGNED BY MANY OF THE INDUSTRY'S MOST TALENTED ENGINEERS The lead engineers on the F75 design team were John Gardiner and David Johnson. David Johnson's previous Fisher design credits include the CZ-platform , the Gold Bug-series, most of the 1200-series, Impulse Underwater Detector, CZ-20 Underwater Detector, FX3 magnetometer, the Gemini 2-box locator, the XLT-16 Acoustical Leak Detector, and the XLG-80 Ultrasonic Leak Detector. David was supported by fellow electrical engineers Jorge Corral, Dimitar Gargov, and Mark Krieger. The mechanical design was a collaboration among David Johnson, Brad Fulghum, John Griffin, and Tom Walsh.

  • Light weight and well-balanced: best ergonomically engineered detector in the industry.
  • Intuitive menu-driven user interface
  • Large LCD screen
  • Visual indicators of important values such as:
    • Target Identification
    • Target Confidence
    • Target Depth (both running-depth and pinpoint-depth)
    • Ground Mineralization
  • Multiple Search Modes:
    • Discrimination
    • Static All-Metal
    • Motion All-Metal
    • Cache Location Process
  • Trigger-actuated FASTGRAB™ ground balancing with manual override
  • Waterproof 11-inch open-frame elliptical Double D search coil
  • Trigger-actuated target pinpointing with variable audio pitch
  • Fully Adjustable Arm Rest
  • Boost Process for Deeper Depth
  • Notch and discrimination controls
  • Covers provided for both the control housing and battery box
Technical Specifications
  • Mechanical: S-rod with electronics housing mounted on handgrip, 3-piece breakdown, batteries under elbow, 2-way armrest adjustment forward/backward & around forearm
  • Searchcoil: 11" (28 cm) open-frame elliptical double-D, waterproof
  • Batteries: 4 AA, alkaline (included)
  • Weight: 3.5 lbs. (1.6 kg) with alkaline batteries installed
  • Static Balance: Force in vertical plane normal to elbow 0.47 lbs. (0.22 kgs.) Varies with adjustment and user's stance and arm / hand physiology
  • Dynamic Balance: Axial moment, 0.29 foot-pounds (0.39 newton-meters). Varies with adjustment and user's stance and arm / hand physiology
  • Sweep Effort: Lateral moment 5.2 foot-pounds (7.1 newton-meters)
  • Operating Principle: VLF induction balance
  • Operating Frequency: Nominal 13 kHz, quartz crystal timing reference
  • Basic Sensitivity: 6 x 109 root Hertz (detectivity)
  • Lag Coefficient: 78 milliseconds
  • Reactive Overload: Approx. 10,000 micro-cgs units (volume susceptibility) 40,000 micro-cgs units w/ sensitivity < 30
  • Resistive Overload: Approx. 1,200 micro-cgs units (volume susceptibility) 4,800 micro-cgs units w/ sensitivity < 30
  • Ground Balancing Range: From ferrite to salt, inclusive
  • Discrimination Ground Suppression: Combination of second and third order methods allowing the F75 to opperate smoothly on different types of soil
  • ID Ground Suppression: Third order
  • Battery Life: Typically 30 hours with high quality alkalines, somewhat less with rechargeables
  • Operating Temp Range: 4 to +122 degrees F (-20 to +50 degrees C)
  • Operating Humidity Range: 0-90% non-condensing

5 Year Limited Fisher Warranty