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Fisher Labs F75 User Manual

Fisher Labs F75
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3
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 109 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 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

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Fisher Labs F75 Specifications

General IconGeneral
BrandFisher Labs
ModelF75
CategoryMetal Detector
LanguageEnglish

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