Is the F75 coil water immersable?

[Massbaycolonist]

Hi. Can the F75 be used in shallow tidal pools, etc.? HH

 

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[dkw]

Yes

Page 36

http://fisherlab.com/hobby/documents/Manuals_FISHER/F75Manual022807.pdf

 

[Massbaycolonist]

Yes

Page 36

http://fisherlab.com/hobby/documents/Manuals_FISHER/F75Manual022807.pdf

Thank you, dkw! I'm going to save up for a new F75. How do you like yours?

Shallow Water Hunting

All Fisher Research Labs searchcoils are waterproof, allowing you to search in shallow water about two feet deep. If searching around water, be careful not to get the electronics housing wet. Avoid salt spray, as it will work its way into the control housing and damage the electronics -- such damage is not covered by the warranty. Both fresh and salt water beaches are popular places for metal detecting. Vacationers lose money and jewelry playing in the sand and in the water. It is usually easy to dig in a beach environment, and metal detecting is permitted on most beaches. Occasionally you may be able to help someone recover a piece of jewelry they have lost minutes before, this is a gratifying experience. When searching on a beach, it is best to either search in Motion All Metal mode, or to search with the discrimination level set just high enough to eliminate iron, because the value of beach finds is largely in the jewelry rather than in the coins. You will dig a lot of aluminum trash, but the digging is easy, and you can tell people that you are helping to clean up the beach and make it safer for people's feet. We recommend the use of special sand scoop for recovering valuables from the sand quickly -- most metal detector dealers sell these. The electrical conductivity of the water itself can pose some challenges. You may get false signals when going into and coming out of the water, making it necessary to pay careful attention to keep the coil either in or out of the water, but not to touch the surface. This effect may be observed in either fresh or salt water.
37
Detecting Activities (continued) Salt Water Hunting Salt water is highly conductive, and produces a strong signal which is like that of metal. The F75 is not specifically designed for top performance in salt water, but can be used in this environment. If you desire to search in or over salt water, the following measures will usually be sufficient to silence the salt water response while retaining acceptable sensitivity: 1. Set the sensitivity in both modes to less than 30. 2. Ground balance the machine manually in Motion All Metal mode. 3. Search in the Discrimination mode with a discrimination setting higher than 25.

 

[liquid1]

Yep it will hunt the salty ocean waters.pretty good with the correct setup....