Storm and Tornado for X-Terra metal detectors

For the tests we took the "middle" Terka 505, hopefully the result will be more telling for the whole X-terra range. The probes tested were Storm, Tornado and Hunter all at 18.75 kHz. We first ran the polygon with the 26 cm 2D 7.5 kHz baseline probe. I've had the readings here with this coil for a long time, but for the sake of clarity we went through it again. The detector was set up all the time: Sensitivity 18, treshold at the edge of audibility, precisely tuned ground, All Metal mode and audio on 3 tones.

The results of the 26 cm 2D base probe are not bad, 1 kcs correctly identified at depths of 20, 25 and 30 cm. The 2h RU could be detected accurately down to 20 cm depth. The same coin at 25 was "seen" by the detector but only as an iron target. The detector did not see the 4 of 25.

I started testing the Storm probe in the same setup. The Storm is a 36x33 cm 2D probe weighing 690g. When debugging, I made sure the probe was accurately aligned a bit more to the "plus" than the basic 2D chko. Then came a bit more than a surprise as we passed the whole polygon without any problem. The probe took all targets literally without losing a flower. This was quite a challenge, so we went to the car to get a spade and placed 1 kcs even deeper into the 40 cm. The detector was already taking this target at the border. The crown was not jumping into the iron, but it was a shuffle. If I had been walking a normal gait I probably would have crossed it. If I was tracking something or had headphones on, I would definitely dig. We had so much fun for a while by just free walking up to the polygon and testing what could be taken with the walk and what couldn't. The 40 was really on the edge, but it didn't go into the irons.

Then we tested the Tornado and Hunter. The results of both probes were exactly the same. Before the test I would have expected the Tornado to go deeper, which is possible for some larger targets, but for coins the results were exactly the same. Both probes identified all the targets on the polygon without any problem, only the 40k 1cs they did not know about. Even though the Hunter is narrower the separation properties were very similar. We were testing a fairly large piece of iron and the coin we had to identify was 20 cm deep. This is a very tough nut for a detector to crack, with the iron basically on the surface and the paint much deeper. We got about 10 cm between the objects. So the target could still be picked up at a slow walking pace. For some, that may not seem like enough, 10 cm... but for many detectors, it's a pipe dream if the targets are placed in that configuration.

In conclusion, I can only say that it was about time that such a popular line of detectors got some hilarious additional probes. Personally I would probably vote for the Storm, the response over the targets was incredibly convincing and loud. The probe, although 36x33 cm in size, retains very decent separation properties. But many others may find the choice of a smaller probe more interesting. I'm sure these probes will push your Terka forward nicely though, so there is a lot to look forward to.