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FISHER F22 TESTS Comments Terrible detector Pros Easy to use , Lightweight 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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11’’ Standard Coil |
13'' |
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CAN A CARTWHEEL PENNY BURIED AT 16’’ GIVE A SIGNAL |
NO |
NO |
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GEORGE 111 MAXIMUM DEPTH |
8’’ |
12'' |
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5 PENCE MAXIMUM DEPTH |
6’’ |
10'' |
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CUT ¼ OF HAMMERED PENNY MAXIMUM DEPTH |
N/A |
5'' |
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CAN A HOARD OF 100 MIXED COINS BURIED AT 18’’ GIVE A SIGNAL |
NO |
YES |
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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 |
NO |
NO |
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CAN I GET A SIGNAL FROM A 20 PENCE BURIED AT 8’’ 2 NAILS BURIED AT 5’’ DIRECTLY ABOVE IT |
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 |
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CAN I GET A SIGNAL FROM A HAMMERED PENNY 20 NAILS ALL AROUND IT BURIED AT 2’’ |
NO |
NO |
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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 |
NO |
NO |
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CAN I GET A SIGNAL FROM A HAMMERED PENNY NEXT TO 4’’ BOLT BURIED AT 2’’ |
NO |
NO |
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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 |
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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 |
NO |
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 |
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 |
NO |
NO |
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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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WILL THE DETECTOR REJECT COKE |
YES |
YES |
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CAN IT FIND A GOLD CHAIN WHEN COKE IS REJECTED |
NO |
NO |
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CAN IT FIND A LOW CONDUCTIVE CUT ¼ WHEN COKE IS REJECTED |
NO |
YES |
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CAN A GOLD CHAIN BE FOUND WHEN COKE IS NOT REJECTED |
NO |
NO |
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CAN A LOW COND CUT ¼ BE FOUND WHEN COKE IS NOT REJECTED |
NO |
NO |
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CAN IT FIND A LOW CONDUCTIVE VERY THIN SILVER EARRING BURIED AT 2’’ |
NO |
NO |
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PERFORMANCE POINTS |
16 |
34 |
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