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GARRETT 400i TESTS Comments Pros Cons
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DEPTH TESTS The depth tests are set up to gauge the power of the detector, all iron is removed from the hole. Various size items are buried at good depths |
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COIL SIZE |
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Nel Tornado 13’’ x 12’’ Coil |
11’’ X 8’’ Coil |
10’’ X 7’’ Coil |
9’’x 6’’ Coil |
Nel 5’’ Coil |
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CAN A CARTWHEEL PENNY BURIED AT 16’’ GIVE A SIGNAL |
YES |
NO |
NO |
NO |
NO |
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GEORGE 111 HALFPENNY MAXIMUM DEPTH |
13’’ |
10’’ |
9’’ |
8’’ |
8’’ |
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5 PENCE MAXIMUM DEPTH |
11’’ |
8’’ |
6’’ |
6’’ |
8’’ |
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CUT ¼ OF HAMMERED PENNY MAXIMUM DEPTH |
7’’ |
5’’ |
4’’ |
4’’ |
4’’ |
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CAN A HOARD OF 100 MIXED COINS BURIED AT 18’’ GIVE A SIGNAL |
YES |
YES |
NO |
NO |
NO |
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DISCRIM TESTS The tests below are to see if the detector is capable of giving a signal on a non ferrous target while iron is placed on top of it and around it at different depths |
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CAN I GET A SIGNAL FROM A 20 PENCE BURIED AT 8’’ 2 NAILS BURIED AT 2’’ DIRECTLY ABOVE IT |
HALF |
NO |
NO |
NO |
YES |
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CAN I GET A SIGNAL FROM A 20 PENCE BURIED AT 8’’ 2 NAILS BURIED AT 5’’ DIRECTLY ABOVE IT |
YES |
YES |
NO |
NO |
NO |
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CAN A GET A SIGNAL FROM A 20 PENCE BURIED AT 8’’ 2 NAILS SITTING ON TOP OF COIN |
YES |
YES |
YES |
HALF |
NO |
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CAN I GET A SIGNAL FROM A HAMMERED PENNY 20 NAILS ALL AROUND IT BURIED AT 2’’ |
YES |
YES |
YES |
YES |
YES |
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CAN I GET A SIGNAL FROM A HAMMERED COIN BURIED AT 2’’ A LARGE/RUSTY IRON HOOK IS BURIED 3’’ BELOW IT |
YES |
YES |
NO |
YES |
YES |
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CAN I GET A SIGNAL FROM A HAMMERED PENNY NEXT TO 4’’ BOLT BURIED AT 2’’ |
HALF |
YES |
HALF |
HALF |
HALF |
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CAN I GET A SIGNAL FROM A 20 PENCE BURIED AT 2’’ 2 NAILS ALSO BURIED AT 2’’-NAILS 4’’ APART COIN BETWEEN THEM |
YES |
YES |
YES |
YES |
YES |
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CAN I GET A SIGNAL FROM A 20 PENCE BURIED AT 5’’ 2 NAILS BURIED AT 2’’ DIRECTLY ABOVE IT-4’’ APART |
YES |
YES |
NO |
YES |
YES |
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CAN I GET A SIGNAL FROM A 20 PENCE BURIED AT 8’’ WITH 2 NAILS BURIED AT 2’’ DIRECTLY ABOVE IT 4’’ APART |
HALF |
YES |
NO |
NO |
YES |
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CAN I GET A SIGNAL FROM A 20 PENCE BURIED AT 6’’ WITH 4 NAILS BURIED AT 5’’ DIRECTLY ABOVE IT 4 NAILS AT 7’’ DIRECTLY BELOW IT AND 4 NAILS ON THE SAME LEVEL |
YES |
YES |
NO |
YES |
YES |
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COKE/SENSITIVITY A few low conductive targets will give the same signal as Coke , so if you are rejecting Coke you may miss them |
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CAN IT FIND A GOLD CHAIN WHEN COKE IS REJECTED |
YES |
YES |
NO |
NO |
NO |
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CAN IT FIND A LOW CONDUCTIVE CUT ¼ WHEN COKE IS REJECTED |
NO |
NO |
NO |
NO |
NO |
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CAN A GOLD CHAIN BE FOUND WHEN COKE IS NOT REJECTED |
YES |
YES |
NO |
YES |
YES |
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CAN A LOW COND CUT ¼ BE FOUND WHEN COKE IS NOT REJECTED |
YES |
YES |
NO |
YES |
YES |
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CAN IT FIND A LOW CONDUCTIVE VERY THIN SILVER EARRING BURIED AT 2’’ |
NO |
NO |
NO |
NO |
NO |
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PERFORMANCE POINTS |
44.5 |
37 |
22.5 |
28 |
29.5 |
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