FISHER F75 METAL DETECTOR

FISHER F75 METAL DETECTOR 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. 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 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 Recommended for: Coin Shooting Relic Hunting Beach Hunting Gold Prospecting