adamBomb
Hero Member
- May 30, 2014
- 645
- 551
- Detector(s) used
-
Nox 700;
Past: Nox 600; CTX; CZ21; Excal II; White's DF;
920i Stealth Scoop
- Primary Interest:
- Beach & Shallow Water Hunting
Since I just got a new excal I thought I would do a few air and ground tests. The results were a little surprising. To begin my tests I charged the battery to the excal and replaced the batteries to the other units. So all new batteries. Then I tested a place in my yard with no metal and no EMI. I have a high end emi detector that I used to determine the EMI. I used a nickel, and quarter clad via air and ground tests. My experience with these units - I have used the CZ21 for several years now, the Whites DF for about a year, and I literally got the excal yesterday. So yea I am a newbie with the excal. For each of tests I played with various settings, especially for the excal since I was new to it. I know how to get the most out of the DF and CZ21 already.
Ground test
For the ground test I used a quarter and taped it to a ruler. The ground at my house is a mixture of sand and soil. It was also damp from rain. It is a bit salty too. I live about 1 mile from the coast and about 300 yards from the intercoastal waterway.
Whites DF
12 inches - Nothing
10 inches - Nothing
8 inches - Break in threshold. I may of stopped but it would of been easy to miss.
6 inches - Yes
Excal II - 10 inch stock machine
12 inches - Nothing
10 inches - Nothing
8 inches - Maybe a very faint tone. Not sure I would of stopped but sometimes I pick these up. In Disc it would null and then ring but then I couldn't repeat the ring very easily.
6 inches - Yes
CZ21 - 10 inch stock machine
12 inches - Nothing
10 inches - Nothing
8 inches - Maybe a very faint tone. Not sure I would of stopped but sometimes I pick these up. It rang as iron in disc 0.
6 inches - Yes
Air tests - I know people do not like these but they do tell the max depth the detector can expect to get. Yes there are some instances where it can go further if certain conditions are met but in general they cannot detect more depth than they can in air. And yes soil makes them detect less than air. For example, heavy mineralized ground will cause units to detect much less than they air test. If you don't like air tests at least post scientific reasons why they are wrong before dismissing.
Whites DF
Nickel - 10-11
Quarter - 9-10
Excal II
Nickel - 10-11
Quarter - 11-12
CZ21
Nickel - 10
Quarter - 10-11
What did I learn? Overall all 3 detectors are about the same depth in air/low mineralized soil. Now, how they handle mineralized soil/water is a different story. My beaches have very little mineralization so I dont expect different measures at my beaches. In the water, I expect the CZ/Excal to begin to drop off but the DF should stay the same.
Ground test
For the ground test I used a quarter and taped it to a ruler. The ground at my house is a mixture of sand and soil. It was also damp from rain. It is a bit salty too. I live about 1 mile from the coast and about 300 yards from the intercoastal waterway.
Whites DF
12 inches - Nothing
10 inches - Nothing
8 inches - Break in threshold. I may of stopped but it would of been easy to miss.
6 inches - Yes
Excal II - 10 inch stock machine
12 inches - Nothing
10 inches - Nothing
8 inches - Maybe a very faint tone. Not sure I would of stopped but sometimes I pick these up. In Disc it would null and then ring but then I couldn't repeat the ring very easily.
6 inches - Yes
CZ21 - 10 inch stock machine
12 inches - Nothing
10 inches - Nothing
8 inches - Maybe a very faint tone. Not sure I would of stopped but sometimes I pick these up. It rang as iron in disc 0.
6 inches - Yes
Air tests - I know people do not like these but they do tell the max depth the detector can expect to get. Yes there are some instances where it can go further if certain conditions are met but in general they cannot detect more depth than they can in air. And yes soil makes them detect less than air. For example, heavy mineralized ground will cause units to detect much less than they air test. If you don't like air tests at least post scientific reasons why they are wrong before dismissing.
Whites DF
Nickel - 10-11
Quarter - 9-10
Excal II
Nickel - 10-11
Quarter - 11-12
CZ21
Nickel - 10
Quarter - 10-11
What did I learn? Overall all 3 detectors are about the same depth in air/low mineralized soil. Now, how they handle mineralized soil/water is a different story. My beaches have very little mineralization so I dont expect different measures at my beaches. In the water, I expect the CZ/Excal to begin to drop off but the DF should stay the same.
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