Frequency problem

[joseramon]

I want to buy a metal detector. Ive seen lots of detectors, and im looking for a minelab or a whites.
However, I dont know what the kHz means. I dont know if its good that the kHz is high or low.

 

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[hollowpointred]

kHz stands for killoherts (spelling?). the lower the number the lower the frequency and the deeper the detector detects, in theory. however the lower the number the less sensative to smaller objects the machine will be. higher numbers are the exact opposite. the higher the number the more sensative the machine will be to small objects, but the depth will be less than the detector with a lower number. hope this makes sense.

 

[nutso]

If you plan on hunting in close to other detectors, the freq. can be changed on the whites XLT so they don't interfere with each other.

 

[neilo]

You will also find that the higher the frequency is the more it is affected by electrical interference and is affected by mineralised ground and salty conditions. The higher frequency machines are no good down at the beach near the waters edge.The lower frequency machines will handle these conditions better, detect deeper and find large targets, but will miss small targets close to the surface. In low mineralised conditions the high frequency will pick up smaller shallow targets missed by the lower frequency machines. You will find the multi frequency machines are generally the better all rounders being able to use them in nearly all conditions.
seeya Neilo