Gradiometer kit

[efkern]

Using two of the Speake FGM-3 magnetic field sensors, we offer a kit of all parts except for the housing, pots, and battery holder. It will operate on a 9 volt radio battery, but I would recommend 8 AA cells in a plastic holder for max run time.

Please see our web site at www.fatquarterssoftware.com for details, how to order and pricing. Payment may be by checks or PayPal, but not credit cards.