Small coil calibration

[rotoharr]

Just put a 5" coil on my cz6,and discovered that you almost have to relearn your detector
for a different size coil.
Do the mfg's calibrate to the stock coil, and then we have to learn the new coil, or is there a better way?
Any help would be appreciated.

Tom

 

[AllenOK]

I only notice two things different between my 8" coil and my 5". My "hockey puck" tends to overload easier on shallow targets, like coins on the surface, and screwcaps. Also, the depth reading is off a little bit, as the depth reading function is calibrated to the 8" coil on a quarter-sized target.

HH from Allen in OK

 

[jim tn]

The same with my cz3d, otherwise it performs just like the 8 in. coil. HH jim tn

 

[rotoharr]

Hi
Mine will give the large target tone on a bottle cap on the surface. A pop can at 6" or so
will show as a zink penny and nails will also show as zk penny.
I was hunting a very trashy area at the beach so it was a little frustrating, but maybe just have to go through
a bit of a learing curve to adjust. I've only hunted with the 8" before and didn't think much about how a more
sensitive coil would effect the readings.

thanks for the replys

Tom

 

[AllenOK]

is that the detector is still transmitting the same amount of power, but into a smaller field. So, targets "look" bigger to the detector. It takes a little getting used to. Turn the Sens. a little lower than you would normally hunt, go slowly, and overlap your sweeps by 50%.

If you're at a beach, you might want to get a really strong magnet, and use that to "rake" the shallow magnetic trash out of the sand. I've been wanting to make a magnetic sand rake using a 6' length of 2x4, lots and lots of "super magnets", and some rope, and use that to drag the bottom of trashy swimming areas to remove the magnetic junk.

HH from Allen in OK