Aeroquest International Limited : providing airborne geophysical technologies and services

GEM 3

GEM 3 - Technical Specifications

Programmable Operation

Bandwidth:		300 Hz to 96 kHz
Frequency Domain:		Single frequency Multiple frequencies 30Hz
Typical sampling rate:		30 Hz
Removable sensor head:		Sealed fiberglass, 1 kg
Sensor head diameters:		30 cm, 40 cm, 64 cm, 96 cm
Rechargeable battery:		12 VDC
Output:		Inphase and quadrature in ppm Apparent conductivity Magnetic susceptibility Powerline amplitude
Realtime GPS input for navigation Remote operation options - vehicle towed, for instance Program upload and data download: WinGEM Ppm to conductivity and susceptibility conversion

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