25/10/2013 General electronics
Fisher F75 Metal Detector
The Ultimate Detector. The metal detecting industry's premier relic hunting and general purpose metal detector.Fisher F75 Advanced Visual & Audio Target ID Metal Detector
The metal detecting industry's premier relic hunting and general purpose metal detector.Lightest Weight / Best Ergonomics in the Industry.Powerful Performance Trigger-Actuated Target Pinpointing with Variable Audio Pitch.
Large LCD Screen with 0-99 Numeric Target Identification Display. Double-Filter Discrimination Modes for Searching in Trashy Areas. Magnetic Mineralization Bar Graph and Readout. Trigger-Actuated FASTGRAB™ Ground Balance. Non-Volatile Memory Saves Settings. Backlight – For Low Light Hunting Conditions. Low Operating Cost – Typically 40+ Hours with 4-AA Alkaline Batteries. Double-D Waterproof Search Coil. Rain Cover for Control Housing & Battery Housing Available.
Recommended for: Coin Shooting/Relic Hunting/Beach Hunting/Gold Prospecting.
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 (not 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
KRB GEO SERVICES
Huda Colony, Saroornagar,
Hyderabad-35, AP. India.
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