FISHER F75 V9 (GOLD) TESTS


 

Comments

Very average by today’s standards

No idea why they are so popular?

Pros

Lightweight

Cons

Not great performance with standard coils

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

COIL SIZE

Standard

11’’ X 8’’ Coil

Cannon Cors

14’’ x 10’’ Coil

Fisher 5’’ Coil

CAN A CARTWHEEL PENNY BURIED AT 16’’ GIVE A SIGNAL

NO

YES

NO

GEORGE 111 HALFPENNY

MAXIMUM DEPTH

9’’

12’’

7’’

5 PENCE MAXIMUM DEPTH

10’’

11’’

8’’

CUT ¼ OF HAMMERED PENNY MAXIMUM DEPTH

5’’

7’’

N/A

CAN A HOARD OF 100 MIXED COINS BURIED AT 18’’ GIVE A SIGNAL

YES

YES

NO

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

CAN I GET A SIGNAL FROM A 20 PENCE BURIED AT 8’’

2 NAILS BURIED AT 2’’ DIRECTLY ABOVE IT

NO

NO

NO

CAN I GET A SIGNAL FROM A 20 PENCE BURIED AT 8’’

2 NAILS BURIED AT 5’’ DIRECTLY ABOVE IT

YES

YES

NO

CAN A GET A SIGNAL FROM A 20 PENCE BURIED AT 8’’

2 NAILS SITTING ON TOP OF COIN

YES

YES

NO

CAN I GET A SIGNAL FROM A HAMMERED PENNY 20 NAILS ALL AROUND IT BURIED AT 2’’

NO

YES

YES

CAN I GET A SIGNAL FROM A HAMMERED COIN BURIED AT 2’’

A LARGE/RUSTY IRON HOOK IS BURIED 3’’ BELOW IT

YES

NO

YES

CAN I GET A SIGNAL FROM A HAMMERED PENNY NEXT TO 4’’ BOLT

BURIED AT 2’’

YES

YES

HALF

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

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

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

NO

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

HALF

NO

COKE/SENSITIVITY

A few low conductive targets will give the same signal as Coke , so if you are rejecting Coke you may miss them

CAN IT FIND A GOLD CHAIN WHEN COKE IS REJECTED

YES

YES

NO

CAN IT FIND A LOW CONDUCTIVE CUT ¼ WHEN COKE IS REJECTED

NO

NO

YES

CAN A GOLD CHAIN BE FOUND WHEN COKE IS NOT REJECTED

YES

YES

YES

CAN A LOW COND CUT ¼ BE FOUND WHEN COKE IS

NOT REJECTED

NO

NO

YES

CAN IT FIND A LOW CONDUCTIVE VERY THIN SILVER EARRING BURIED AT 2’’

NO

NO

NO

PERFORMANCE POINTS

33

40.5

21.5