coil calibration

blong10

Sr. Member
Apr 9, 2014
288
151
New Castle
Detector(s) used
Bounty Hunter QD2, Bounty Hunter Land Star, Garrett AT PRO,
X-Pointer
Primary Interest:
All Treasure Hunting
Upvote 0

RobRieman

Silver Member
Nov 12, 2012
3,282
1,915
Cincinnati Ohio
🏆 Honorable Mentions:
3
Detector(s) used
White's V3i / Minelab E-trac
Primary Interest:
Metal Detecting
No you do not have to get it calibrated, just make sure it's made specifically for that machine. The bigger the coil the greater the depth but target separation suffers. A rule of thumb is you get the depth of the diameter of the coil as long as you have a descent machine.
 

fireguy

Sr. Member
Dec 28, 2013
302
74
Dayton ohio
Detector(s) used
Garrett ace 250
No calibration. As for depth going from an 8 to a 10" coil your probably not going to get very noticeable depth increase maybe an inch at the very most. More likely half inch. Your main noticeable difference is the speed of covering ground but that goes with a trade off of target separation.
 

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