Find best value and selection for your ORBITOR PROSPECTOR 100 HIGH PERFORMANCE METAL DETECTOR search on eBay. It had a inspected by QC sticker on it, maybe that's why they're no longer in business (or they used very poor chineese CEM that took all money only to ship junk - that's never happened before ) The coild maynot be waterproof, but I have yet to get it open (haven't gotten the BIG hammer uhh uhh alignment tool yet ) I've definately had $25 worth of fun with so far. Prospector 200 metal detector manual (14658 items found) SORT BY: Narrow By: clear all Items in Your Store +-clear. My board is a PR100-1 rev2 and the silkscreen for Q5 shows it is backwards & ZD3 (zener diode of some voltage?) is actually a resistor. Movement over an object is required in order for the machine to detect the object and emit a tone. I have not found anything of any value with it yet so it hasn't paid off the dollar store batteries There are a few questions I have about the design. METAL DETECTOR OWNER’S MANUAL OWNER’S MANUAL The Basics of Metal Detecting Your ProspectorMetal Detector incorporates Motion Detection Technology. I couldn't believe it was actually that sensitive. This little 'toy' made me dig for my 1st 'find' of a cat food can top (about 3' dia) down 9 inches in tough hardpan. I needed a cheap detector to take apart and see how hard it would be to take someone's old VLF design, reverse engineer it & come up with a schematic if I could not find one.
