| There is excitement in the air concerning Pulse | | | | conventional detectors either the center of the coil |
| Induction (PI) metal detectors. It is said that a | | | | or a pinpointing button or switch makes for an easy |
| revolutionary model is about to be released by | | | | retrieval of finds. One PI I own the target centering |
| several manufacturers. The main characteristic of PI | | | | point is to the left side of center and is very difficult |
| detectors is their ability to ignore both conductive | | | | to zero in on small targets. My primary uses for PI's |
| and non-conductive mineralization in the environment | | | | are gold prospecting, Civil War relic hunting and bottle |
| at the same time, while maintaining high sensitivity to | | | | digging ventures. They go very deep! I have dug |
| all metal targets. Another positive feature is their | | | | shotgun casings at nearly two feet, nails at fifteen |
| detection range is not affected by the medium | | | | inches and as mentioned above a dime at eighteen |
| between the coil and the target. Performance for the | | | | inches. Here is my positive thought for using a PI for |
| most part is not hindered by water, sand, silt, solid | | | | relic hunting. The P in Pulse Induction stands "Power"! |
| coral and generally speaking, the air. Some PI's I have | | | | I feel empowered when hunting fields and woods for |
| used do not go as deep to locate a target in the air | | | | relics and an occasional coin is a great bonus. |
| as they do for submerged or buried targets. | | | | However, as a coin-shooter the P stands for |
| I dug a 1957 Roosevelt dime at eighteen inches with | | | | punishment in most of my environments. I cannot |
| my Fisher Impulse. It took more than forty minutes | | | | use one in hunting a burned-out property lot, or on a |
| to retrieve that coin in the shallow water at Sunset | | | | sports bleacher area or on a ball diamond to name a |
| Beach in Tarpon Springs, FL and that is a primary | | | | few areas where a conventional detector with a |
| reason I do not use PI's for coin shooting. Another | | | | small three to five inch coil will produce far greater |
| reason is the extreme sensitivity to all metal targets | | | | rewards and not destroy the back or shoulders. |
| will mean digging about thirty junk items for every | | | | I have listed some of the PI's out there now and |
| good target in most coin shooting environments. You | | | | they are worth the time to go online and compare |
| will literally plow a field before you finish covering the | | | | their specs and prices. Every serious treasure finder |
| ground. In doing a comparative test last year, I dug | | | | needs to have one as a part of their detecting |
| almost 300 junk items and retrieved only nine coins | | | | arsenal. You might want to wait though and see |
| and three jewelry keepsakes. A third negative aspect | | | | what is coming soon before spending some serious |
| of most PI's is the difficulty of pinpointing targets. | | | | cash. I cannot wait! Bring on those new PI's. |
| Pinpointing with a PI is a learned art. Most | | | | |