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Fisher Research Labs F11 All-Purpose Metal Detector with 7" Concentric Elliptical Waterproof Searchcoil, 7.69 kHz. Operating Frequency

SKU: FHF11 MFR: F11
$169.00
$199.00
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Key Features

  • Find treasure with the F11 metal detector, perfect for coin, relic, & jewelry hunting!
  • 7" waterproof coil lets you search in shallow water; find hidden items with ease.
  • Pinpoint function helps accurately locate finds before digging, saving you time.
  • Adjustable discrimination control filters out unwanted metals like iron and foil.
  • Lightweight design at 2.3 lbs & adjustable shaft ensures comfortable extended use.
  • Enjoy 15-20 hours of battery life with a single 9-Volt battery for long treasure hunts.
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Special Order?Estimated to Ship: 08/10/2025
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Questions & Answers

Shopper : Why Did You Choose This?PAUL D : have used this model before

Reviews about this item

Review Summary

Fisher Research Labs F11 Specifications

  • Recommended for

    Coin Shooting
    Jewelry Hunting
    Relic Hunting

  • Search Coil Type

    Concentric

  • Search Coil Size

    7" (17.78cm)

  • Search Coil Shape

    Elliptical

  • Search Coil Build

    Open

  • Waterproof Search Coil

    Yes

  • Interchangeable Search Coil

    Yes

  • Technology

    VLF Single Frequency

  • Arm Rest

    Adjustable

  • Arm Rest Strap

    No

  • Adjustable Shaft

    Yes

  • Apps

    No

  • GPS

    No

  • Audio Tones

    4

  • Depth Indication

    Yes

  • Control Box Mount

    Standard

  • Frequencies

    7.69 kHz

  • Number of Frequencies

    1

  • Programmable Target ID

    No

  • Target ID Segments

    9

  • Target ID

    Yes

  • Threshold

    No

  • Discrimination

    Adjustable

  • Pinpoint Mode

    Yes

  • Ground Balance

    Fixed

  • Vibration Mode

    No

  • Search Mode Types

    Artifact, Coins, Jewelry

  • Search Flashlight

    No

  • Display Type

    LCD

  • Backlit Display

    No

  • Volume Control

    Yes

  • Headphone Jack

    1/4"

  • Bluetooth Compatible

    No

  • Interchangeable Headphones

    Yes

  • Battery Type

    9-Volt

  • Battery Quantity

    1

  • Battery Life

    15 to 20 Hours

  • Battery Indicator

    Yes

  • Rechargeable System

    No

  • Exclusive Functions

    Static PinPoint, Notch

  • Sensitivity Adjustment

    Yes

  • Length

    Maximum: 51" (129.54cm)
    Minimum: 41" (104.14cm)

  • Weight

    2.3 lbs (1.04kg)

  • UPC Code

    089723999860

6 Accessories for Fisher Research Labs F11 All-Purpose Metal Detector with 7" Concentric Elliptical Waterproof Searchcoil, 7.69 kHz. Operating Frequency

  • All Accessories (6)
  • Batteries & Power Supply (1)Required Item
  • Metal Detector Accessories (5)

About Fisher Research Labs F11

This detector comes with a waterproof searchcoil. The searchcoil can be completely submerged into water. The control housing is not waterproof and cannot be submerged in water. To use the detector in inclement weather, consider purchasing the optional Rain Cover (COV-F11).

Buried Utility Lines
This hobby metal detector is not designed to locate buried pipes or cables. Fisher Research Labs manufactures a complete line of pipe and cable locators for this application. These are sophisticated instruments with functionality different from your hobby metal detector.

Severe Soil Conditions
While this detector has proprietary circuitry to cancel out minerals naturally occurring in most soil types, it cannot penetrate the most severe soils and it is not intended for use on wet sand saltwater beaches. However, it is well-suited for detecting on dry sand. Saltwater is highly conductive and requires a more sophisticated type of detector. Fisher Research Labs offers such types of detectors. Other highly mineralized soils, such as those found in some gold prospecting sites, may also limit this detector's capability. If the detector tends to overload it could indicate you are in an area containing such severe soils.

Target-ID
The detector's Target-ID system calculates and displays the most probably identification. Target-ID is affected by soil conditions, the searchcoil's distance from the target, the length of time the target has been buried and the target's proximity to other dissimilar targets. Very large metal objects can overload the detector and may be classified inaccurately.

Reduce Sensitivity
The primary purpose of the Sensitivity control is to allow the operator to reduce the sensitivity of the detector. All detectorists desire to find objects at maximum depth. However, in today's environment there is a never-ending variety of devices emitting EMI (Electromagnetic Interference) that can interfere with this detector. There will be environments where the detector cannot operate at maximum sensitivity. This is not a defect. If you find yourself in such an environment, reduce the sensitivity of the detector.

Some environments may have so much EMI it is impossible to detect there. Both overhead power lines and buried power lines can interfere with this detector. Power line capacity may be quite different during certain times of the day. For instance, peak hours of electrical use that can occur around 6 p.m. can lead to a lot of EMI. If you experience power line interference, try returning to a given area at a different time of day.

Fisher Research Labs F11 Features

  • 3 Modes Of Operation: Jewelry, Coin, Artifact
  • 9-Segment Visual Target-ID
  • 4-Tone Audio-ID
  • Pinpoint
  • 6 Levels of Adjustable Sensitivity and Volume
  • 7-Inch Concentric Elliptical Waterproof Searchcoil
  • Ultra-lightweight Only 2.3 lbs. Operational Weight
  • 7.69 kHz Operating Frequency

Key Features

  • Find treasure with the F11 metal detector, perfect for coin, relic, & jewelry hunting!
  • 7" waterproof coil lets you search in shallow water; find hidden items with ease.
  • Pinpoint function helps accurately locate finds before digging, saving you time.
  • Adjustable discrimination control filters out unwanted metals like iron and foil.
  • Lightweight design at 2.3 lbs & adjustable shaft ensures comfortable extended use.
  • Enjoy 15-20 hours of battery life with a single 9-Volt battery for long treasure hunts.

What's in the box:

  • Fisher Control Housing with 2 Screws
  • Armrest Assembly with Screw and Lock-Nut
  • 7 " Searchcoil
  • Middle Stem
  • Lower Stem with Bolt and Knurled Knob Attached
  • S-Rod
  • Fisher 5 Year Limited Warranty