MineLab GPX 5000 Coil Mode

[brianboru]

The MineLab GPX 5000 has a coil selection setting for either mono or DD mode. The manual says either coil will run in the other mode. I was wondering if a DD coil running in mono mode would be as effective as the same size moo coil running in mono mode. Any idea?

 

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[Terry Soloman]

Here is what John Porter told me. "I would not recommend using a DD coil in the Mono Coil/Rx mode with the Iron Reject option, it might seem like it works but there is a very REAL chance you'll leave good targets in the ground. Best bet is to revert back to the DD Coil/Rx mode and then check the target with the Iron Reject option (Try setting up a custom Search mode with Iron Reject already pre-selected to facilitate going from one Coil/Rx method to another)."

Double D coils can be run as Mono, but if you want to check how much stronger that signal is in mono flip the Coil/ RX button to Mono. The left side of the coil will be hot and see the target. Mono always runs deeper.

 

[brianboru]

Yes, I know the iron reject function will not work in mono. What I am curious about is whether or not a DD coil running in mono is as sensitive as a straight mono coil.

 

[Terry Soloman]

No. You'll always get better depth/sensitivity running a Mono coil.