Nexus
Standard SE
Detector models
Coronado
Nexus
9"
IN AIR           UNDERGROUND
All metal
All metal
Disc
6"
Nexus Gold 4"
Groundfix
Standard SE
32"
27.5"
27.5"
only in discrimination
IN AIR           UNDERGROUND
IN AIR           UNDERGROUND
All metal
All metal
Disc
Disc
Disc
22"
17.5"
17.5"
23.5"
18.5"
Search coil fitted
Test Target
Bronze Age axe      10x3 cm
17.5
14
14
12
9.5
9.5
13.5
10.5
Durotriges base silver stater 19mm
7.5
5.5
5
6.5
5.5
5.5
6
4.5
Celtic fibula  54 x 10 mm
17
13.5  
13.5
12
10
10
13
10
Vespasian denarius   18.5mm
23
19  
19
16
12.5
12.5
18
14
Roman sestertius       32mm
21
16   
16
15
12
12
16
12.5
Roman bronze ring    22mm
18
15  
15
12
9.5
9.5
14
11
Roman silver ring       20mm
11
9
9
8.5
6.5
6.5
9
7
Saxon silver sceat       10.5mm
16
13
13
11
8.5
8.5
12
9.5
Saxon Gold Tremissis 13.6mm
12
9.5
9.5
8.5
6.5
6.5
9.5
7
Round Hammered Farthing 11
15
12.5
12.5
11
8.5
8.5
12
9.5
Edward I silver penny   19mm
20
16
16
13
10
10
15
12
silver ring                    22mm
18
12.5
12.5
13
10
14
11
1707 silver sixpence    20.5mm
23
19
19
16
12.5
18
14
1921 bronze penny      31mm
24
19.5
19.5
15
12
17.5
14
1889 silver crown         38.5mm
10
12.5
12
TESTS
Underground
Beach
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