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Fisher F70 Advanced Visual &
Audio Target ID Metal Detector
The F70 Has Many Great
Features. Use it for Coin Shooting,
Relic Hunting, Gold Prospecting &
More. Powerful Performance
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 All
Metal Auto-Tune Mode
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Large LCD Screen
with 0-99 Numeric
Target
Identification
Display
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Frequency Shift
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Multiple Audio ID
Tone Options
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One Touch Notch
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Push Button Static
Pinpoint with
Variable Audio Pitch
and Depth Reading
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Advanced
Software-Based
Motion
Discrimination
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Intuitive User
Interface
Recommended for:
Coin Shooting
Relic Hunting
Beach Hunting
Gold Prospecting
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F70 Specifications
- Mechanical: 3-piece breakdown
aluminum pole system, batteries under elbow, Armrest
adjustment - forward/backward.
- Search coil: 9 3/4” open-frame
waterproof concentric elliptical search coil.
- Batteries: 4 AA, alkaline (included).
- Weight: 2 pounds 15 ounces
(1.3kg), with alkaline batteries installed.
- 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
- Overload: standard 10”
elliptical concentric
Reactive approximately 10,000 micro-cgs
Resistive approximately 1,200 micro-cgs
accessory 11” bi-axial
Reactive approximately 30,000 micro-cgs
Resistive approximately 3,700 micro-cgs
- 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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