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Steve Herschbach

My New Favorite Pinpointer - The Fisher F-Pulse

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13 hours ago, vanursepaul said:

What happened to the Minelab pinpointer i got???

Does it not even rank with these PPs

This is the First Texas forum Paul. The Minelab forum is here.

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About the power-up time..:

I think I found the "issue". If I set the pointer to sensitivity level 1, it powers up almost instantly.

If I change it to level 2 or 3 it takes noticeably longer.

Perhaps somebody can verify / confirm that.

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On 9.4.2018 at 10:10 AM, Sinclair said:

Perhaps somebody can verify / confirm that

 

No one? :ph34r:

 

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On power-up, the micro calibrates the RX circuit and sets up the threshold levels. It's the calibration that causes the delay, and to help speed this up a "starting point" is saved in memory from a "factory calibration." This is done at Sens=2 but is still pretty close for the other 2 levels. It's very possible that Sens=1 can be faster, but it also might only be randomly true. That is, YMMV.

 

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Always good to hear from Carl.:biggrin:

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On 4/5/2018 at 3:14 PM, Sinclair said:

Some DIY cheapo protection tip:

D50BDFD7-152A-459A-9840-D32A8E654D3C_zps

This has been done with 1" heat shrink tubing (no glue inside).

I'll try 30mm next time, didn't have it in house.

With tip coated, the f-pulse loses sensitivity (lvl 3 sens) to micro jewelry and less than a gram of gold. 

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15 hours ago, “Spartan800” said:

With tip coated, the f-pulse loses sensitivity (lvl 3 sens) to micro jewelry and less than a gram of gold.

How did you coat the tip?  With Sinclair's heat shrink tubing or one of the goops?  For a given gain setting only two things will affect the sensitivity:  metal and distance.  One nice thing about the heat shrink is that it is thin enough not to affect distance much.  The goop/plastic-dip methods are more variable and thus if put on thick will increase the closest distance, potentially significantly.

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I haven’t coated my pin pointer yet, looks like a great idea to keep it from falsing over time and hard use. If you can get your hands on a small gold earring post, Test it’s size and composition to pin pointer to see how if it senses before and after tip being covered.

with my unscientific testing, I can tell you my f-pulse has a hard time sensing smaller sized jewelry such as earrings. 

 

 

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I am not going to do anything to protect mine. The line below “Constructed from special abrasion resistant materials (won’t wear through like other pinpointers)” is good enough for me!fisher-f-pulse-metal-detecting-pinpointer.jpg

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Works great so far - it found what the equinox found

7A10B008-56D0-4422-B502-A68AF2DAE6C5_zps

2C068F0B-B84D-4B75-B5D9-794A788F84C4_zps

Only had a problem once or twice with very small bits of aluminium foil.

Anyone else thinks the holster is too stiff?

 

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