Marsh Geophone String（mainly 6X2, 12X1,6X1,For Land and Shallow
Water Seismic Field Operation） a.Geophone element be designed to
offer the industry standard, high quality product. b.Provide high
fidelity date in 2-D&3-D surveys; allowing full bandwidth(10 to
240 Hz) at 2m sec. sampling rate. c.Element is fully compatible
with 24-bit seismic date recording systems especially 408XL,&
I/O systems 4 AC. d.With Heavy Duty Marsh Case Perfect Waterproof
Operated in Minimum 10m of Water Depth.