Say something about Ajax Primero
 

Hello,
can anyone provide information about this model device? Does it work or is it just another expensive toy?

My experience with long range locators if it has a bunch of bells and whistles it's going to be even harder to learn and master. Any locator with a swivel hand or pivoting antenna is going to take a long time to learn. Honestly I don't like the idea of carrying a brick around as a locator rod. But on the positive side the ionic locator does not use a swivel handle/rod so maybe it will work. I would vist the factory and get personal training BEFORE YOU BUY. Me, I would not buy one.

The factory is very far from me! And for that I am interested in a competent opinion. More precisely, a person familiar with such systems in practice.

That's my story...and I'm sticking to it. LOL I've never read anything by anyone about any of those mega-priced locators. If you're set on buying a locator, maybe find something less expensive to learn on. I don't have much suggestion for you because I don't like those hand-held locator, but something like GDI Gold X-Finder cost thousands less and I don't know if you can learn that. It depends on your determination and ability to quiet your mind.