>> You can use a compass to detect major magnetic fields, but it is a very difficult process. To detect them correctly and quickly you absolutely need an EMF detector. They come in several varieties. The more expensive the more features and sensitivity.
>> Although you can skimp with $$ on some items, you really can't skimp with an EMF detector. Invest in a good one.
>> This featured model, from trifieldmeter.com is recognized as one of the best in the field. Not only does it operate on many different wavelengths (really making it several tools in one) but it also is designed to filter out EM fields that would be created from man-made sources.
>> Total Price: $200.00
>> Plus shipping and handling
>> User Type: ADVANCE = EMF Detector
>> To order please click button.
