Fisher Research Laboratories Metal Detector Model Chronology
The chronology of Metal Detector models is listed to provide help to those contemplating the purchase of older detectors, many of which are excellent choices for the hobby.
If you have some definite dates that any models in the list were released, or find what you believe to be an error, please email me so I can make corrections.
As I find earlier dated advertisements or brochures referencing certain models I revise the introduction dates.
Fisher Research Laboratories Started 1931
Metallascope - introduced around 1931 ( around 1936 it was nicknamed the M-Scope )
Explorer II Model T320 - introduced 1974 ( based on a warranty card )
Gemini 2 ( two-box detector ) - introduced 1979
LF 990 D Introduced late 70's ? - email if you know.
VLF 920 Cash Finder - introduced around 1982 ( available in 1982 catalog )
VLF 930-D Cash Finder - introduced around 1982 ( available in 1982 catalog )
VLF 552-D Pro - introduced around 1982 ( available in 1982 catalog )
VLF 552-D Pro Bodymount - introduced around 1982 ( available in 1982 catalog )
VLF 551-D - introduced around 1982 ( available in 1982 catalog )
VLF 552-D - introduced around 1982 ( available in 1982 catalog )
VLF 553-D - introduced around 1982 ( available in 1982 catalog )
VLF 555-D - introduced around 1980 ( per 1980 catalog )
VLF 555-D / B ( bodymount ) - introduced around 1980 ( per 1980 catalog )
1260-X - introduced 1982
LF-930D - introduced 1984 ? - email if you know.
Impulse - introduced 1984 ( underwater - Pulse Induction - 250 ft )( Field Test July, 1994 issue of Lost Treasure )
1210-X - introduced 1985
Mother Lode 660 - introduced 1985 Field Test January, 1985 issue of Lost Treasure )
1280-X Aquanaut - intro.1985 ( ref'd to - Field Test July, 1994 of Lost Treasure re: Impulse )
1265-X - introduced 1985
Gold Bug ( Prospecting ) - intro. 1987 ( Field Test October, 1987 issue of Lost Treasure )
Gold Bug 2 ( Prospecting ) - intro. approx. 1987 ???? - email if you know.
FX-3 Ferro Probe ( Magnetometer ) - introduced 1988 ( use for finding 'magnetic metal' )
Model 441 - introduced ???? email if you know.
VLF 660 Mother Lode - introduced 1985
VLF 660 Pro Mother Lode - introduced 1985
1220-X - introduced prior to 1988 ???? email if you know.
1220-X Pro - introduced prior to 1988 ???? email if you know.
1225-X - introduced 1988 ( Field Test July, 1988 issue of Lost Treasure )
Gemini 3 ( two-box detector ) - introduced 1989 ( Field Test October, 1989 issue of Lost Treasure )
1280-X Wader - intro.1991 ( Field Test April, 1991 of Lost Treasure )
1266-X - introduced 1991 ( Field Test July, 1991 issue of Lost Treasure )
1270-X ( 70th Anniversary Edition ) - intro. 2001 ( based on 1931 Fisher Labs start date )
CZ-6 Quicksilver - introduced approx. 1992
CZ-6a Quicksilver - introduced approx. 1992
1212-X - introduced 1992 ( Field Test January, 1992 issue of Lost Treasure )
1266-XB - introduced 1992 ( Field Test August, 1992 issue of Lost Treasure )
CZ-5 Quicksilver - introduced 1993 ( Field Test March, 1993 issue of Lost Treasure )
CZ-20 ( underwater ) - introduced 1995 ( Field Test January, 1995 issue of Lost Treasure )
CZ-7 Quicksilver - introduced 1997 ( Field Test December, 1997 issue of Lost Treasure )
CZ-7a - introduced 1998 ( Field Test July, 1998 issue of Lost Treasure )
CZ-7a Pro Quicksilver - introduced 1999 ( Field Test May, 1999 issue of Lost Treasure )
1235-X - introduced prior to 2000 ???? ( Field Test February, 2000 issue of Lost Treasure )
1236-X2 - introduced circa 2000 ???? ( Field Test February, 2000 issue of Lost Treasure )
Gold Strike ( nugget detector ) - intro. 2002 ( Field Test September, 2002 of Lost Treasure )
CZ-70 Pro Quicksilver - intro. 2003 ( Field Test September, 2003 issue of Lost Treasure )
Coin Strike - introduced 2003 ( Field Test February, 2003 issue of Lost Treasure )
I.D. Excel - introduced around 2004 ( Field Test September, 2004 issue of Lost Treasure )
CZ-3D - introduced around 2004 ( Field Test June, 2004 issue of Lost Treasure )
I.D. Edge - introduced around 2006 ( Field Test February, 2006 issue of Lost Treasure )
Early 2006 - First Texas Holdings ( which is also the producer of Bounty Hunter & Teknetics producer ) acquires assets of Fisher Research Labs
F-5 - introduced ???? email if you know.
F-4 - introduced 2007 ( Field Test January, 2007 issue of Lost Treasure )
F-75 - introduced 2007 ( Field Test October, 2007 issue of Lost Treasure )
F-70 - introduced 2008 ???? email if you know.
F-2 - introduced 2008 ( Field Test August, 2008 issue of Lost Treasure )
CZ-21 ( Underwater to 250 ft ) - introduced 2009 ( Field Test June, 2009 issue of Lost Treasure )
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