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Fisher Impulse
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Whites Surfmaster PI Pro


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Fisher Impulse
Whites Surfmaster PI Pro
Feature comparison between Fisher Impulse and Whites Surfmaster PI Pro
Options Fisher Impulse Whites Surfmaster PI Pro
Detector Type PI Beach Detector PI Beach Detector
Price $700 $700
Manufactured in 1994 2003
Battery Type 8 AA 8 AA
Weight (Lbs.) 5.2 4
Operating frequency 5.333 PPS
Display Yes None
Backlight No No
Target ID Audio+LED Light Audio
Tone ID Single Single Tone
Search Modes
  • All Metal N/M
Ability to change coils No No
Ground balance Auto Auto
Waterproof 250 feet 100 feet
Warranty Lifetime 2 Years
Number of Reviews graph 1
graph 2
graph 7
graph 3
Avg. User Rating 4.33 4.70
Avg. Durability Rating 5.00
Avg. Ease of Use Rating 4.50
Avg. Depth Rating
Depth value
No data available yet

Most helpful review for Fisher Impulse

Fisher impulse
This is my first Fisher detector. When I decided to get this detector it was because I heard it had good depth.

When my wife and I go out detecting, it's usually Friday till Sunday, and the ability of Fisher to work on 8 AA batteries for 6 months is outstanding, plus to change them is simple. Some detectors you have to plug in every night to get a hunt out of them.

It's a non-motion detector, which I like. I would not recommend this unit for a beginner water-hunter because unlike other detectors, you must have three arms to operate this unit.
One for your scoop, one for holding the detector, and the other for continually adjusting the detector "sensitivity" knob.

Using it at the beginning was hard and the threshold was annoying.
It took me some time to get used to it. It is the same in fresh and salt water. As soon as you take a step deeper, the threshold changes so you have to walk in a straight line parallel to the shore. It works in wet sand but you get better depth in the water.

I would suggest to the manufacturer that the sensitivity knob should either be made a bit tighter cause even a light touch will change the sensitivity. I had to take the knob off and wrap a rubber band around the pin.

Overall I have had very good luck with the Impulse.
I would estimate the depth on a medium size gold ring to be about 18 to 24 inches. I have dug some pretty deep holes.


If Fisher could make the threshold stable, with the same depth, performance and the same price tag, I 'll be the first in line.

I normally don't carry a measuring tape with me, but my non scientific guess would be, I could get a 12-14 inches on a US quarter when there is no wind and the water is calm using a 10 inch coil.
Vlad from CT

Thumbs up! 121
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Most helpful review for Whites Surfmaster PI Pro

Surf Master PI Pro
Call it bang for the buck. I've used this PI PRO two full seasons and I can't be more pleased. It goes deep doesn't everyone say that. I often scoop holes so deep that during the recovery I have to bounce on the scoop to get it to bite then step out and to the side of the hole and pull the scoop out. I'd be over my head otherwise.

I've recovered very small thin rings that were approx 1/2 dwt. a small white gold floating heart that was almost 2/3 dwt. The larger gold and platinum wasn't able to hide as well.

I use a Fisher shaft weight as I have the lighter coil, works well, minimum effort to keep it on the bottom. If you are going to hunt mostly in the water like me you should consider the weighted coil. Otherwise just get the shaft weight and light coil, if you like to hunt the wet sand too.

The PI PRO is not my first choice for dry sand (the big ashtray) as there is usually so much trash & foil I grab a VLF. But dry sand is a night hunt thing for me, while the sharks are feeding.
Battery life is fine, I keep track of my time and change them when I get to about 20 hours to avoid having to do it when I'm hunting and the PI is wet. You also should break down and clean the rods after each salt water hunt so they don't freeze.
One nice feature is being able to use the edge of the coil to pinpiont or detect crevices in the rocks.
You'll hear the SAT doing it's thing as you lower the coil beneath the surface then get it to the bottom where it gets smooth and does not false. It will pick up red bricks though and every piece of junk around. Hey, I've pulled gold, silver and old coins out of the ocean that were under iron.

I can buy any detector Aquastar, Excal etc. but the PI PRO performance price break is unbeatable IMHO. So with the cash saved over the other choices I bought a new CZ-20 too. So goes life with a PI PRO...dig it all leave the place cleaner than you found it. You can see some PI finds of mine at Whites web site under customer stories.
HH-Bruce

YTCoinshooter from USA

Thumbs up! 249
Read all reviews for Whites Surfmaster PI Pro