Gold And Metal Detector.
Type : ST2
Specification :
Bar graph readout of ground mineral concentration
Waterproof 11-inch open-frame BiAxial™ searchcoil
Power Supply : 4 x AAA Batteries
Searchcoil: 11” ( 28 cm) open-frame elliptical double-D, waterproof.
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: 5 x 109 root Hertz ( detectivity)
Lag Coefficient: 70 milliseconds
Reactive Overload: approximately 10, 000 micro-cgs units ( volume susceptibility)
Resitive Overload: approximately 1, 200 micro-cgs units ( volume susceptibility)
Ground Cancellation 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 good quality alkaline, somewhat less with NiMH rechargeable.
Operating Temp Range: -4 to + 122 degrees F ( -20 to + 50 degrees C)
Operating Humidity Range: 0-90% non-condensing