Catagory:
1 Axis & Quick start / Gradiometer Kits
FG-3+ is a replacement for popular Speake & Co. FGM-1 & 3.
Available kits are best choice for a quick start or making own DIY magnetometer/gradiometer.
FG-3+ is a replacement for popular Speake & Co. FGM-1 & 3.
Available kits are best choice for a quick start or making own DIY magnetometer/gradiometer.