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 All Metal Auto-Tune Mode
Large LCD Screen with 0-99 Numeric Target Identification
Display Frequency Shift
Multiple Audio ID Tone Options
One Touch Notch
Push Button Static Pinpoint with Variable Audio Pitch and Depth Reading
Advanced Software-Based Motion Discrimination
Intuitive User Interface
Upgrade to 11” DD Bi-Axial Coil
Better Target Separation
Big Footprint: Cover More Ground Faster
Better in Mineralized Soils
Great for European Hunting Conditions
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
Ground Suppression: combination of second and third order methods
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