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Fisher F75
Advanced Visual & Audio Target ID
Metal Detector
The Ultimate Detector! The metal
detecting industry's premier relic
hunting and general purpose metal
detector.
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Lightest
Weight / Best
Ergonomics in the
Industry
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Powerful Performance
Trigger-Actuated
Target Pinpointing
with Variable Audio
Pitch
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Large LCD Screen
with 0-99 Numeric
Target
Identification
Display
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Double-Filter
Discrimination Modes
for Searching in
Trashy Areas
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Magnetic
Mineralization Bar
Graph and Readout
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Trigger-Actuated
FASTGRAB™ Ground
Balance
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Non-Volatile Memory
Saves Settings
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Backlight – For Low
Light Hunting
Conditions
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Low Operating Cost –
Typically 40+ Hours
with 4-AA Alkaline
Batteries
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Double-D Waterproof
Search Coil
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Rain Cover for
Control Housing &
Battery Housing
Available
Recommended for:
Coin Shooting
Relic Hunting
Beach Hunting
Gold Prospecting
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F75 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 pounds (1.6 kg)
with alkaline batteries installed.
- Static Balance: force in
vertical plane normal to elbow 0.47 pounds (0.22
kg).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 10 9
root Hertz (detectivity)
- Lag Coefficient: 78
milliseconds
- Reactive Overload:
approximately 10,000 micro-cgs units (volume
susceptibility)
40,000 micro-cgs units with sensitivity < 30.
Resistive Overload: approximately
1,200 micro-cgs units (volume susceptibility)
4,800 micro-cgs units with sensitivity < 30.
- Ground Balancing Range: From
ferrite to salt, inclusive
- Discrimination Ground Suppression:
combination of second and third order methods
- ID Ground Suppression: third
order
- Battery Life: Typically 40
hours with high quality alkaline batteries
Estimated 80 hours with nickel oxyhydroxide
batteries
Estimated 65 hours with lithium iron disulfide
batteries
- Operating Temp Range: 4 to +122
degrees F (-20 to +50 degrees C)
- Operating Humidity Range: 0-90%
non-condensing
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