Fisher FX-3 Ferro Probe

[Dave45]

http://www.giscogeo.com/pages/mtlfx3.html
Does anyone have any experience with this detector?

[99thpercentile]

This is just an analog magnetic gradiometer. It most likely has two fluxgate magnetometer sensors separated by about a meter. This unit is almost identical to a Schonstedt GA-52 or a Subsurface locators. They all are in the $400-$700 range. They produce an audio tone that shifts away from a base tone when you go over a ferrous magnetic target that is above/below a threshold. The operator can turn the switch to control the sensitivity over five or six ranges. I use a Schonstedt when I am looking for survey markers or a buried wire. I wouldn't use it for treasure hunting.

[Dave45]

Thanks 99
I was wondering about the depth on this mag.
I know it only picks up ferrous materials, the price is right if the depth will reach 10 feet or so.
Thanks
Dave