ED 120 and ED 180?

[jharhed]

Will someone please explain the difference between the two?

 

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[dogcaught]

60

 

[Sandman]

Sixty sounds like a good answer, but if you could be more specific.

 

[jharhed]

If I wanted comedy I'd go to comedy central

 

[jharhed]

Does this have something to do with the discrimination?

 

[Sandman]

We aren't trying to be funny......We don't know what you mean by ED 120 or ED 180. It could be the reading on a meter, but I am guessing. How about more information so we can help........

 

[jharhed]

I've read specs saying that the Cibolas use ED 180 as their primary search discrimination and the Golden uses ED 120? Am I making any kind of sense?

 

[HighPlainsHunter]

If I'm not mistaken, I believe ED120 and ED180 refers to the range of discrimination. The ED180 offers a wider range of discrimination than does ED120. I'm not sure if the increased range is at the higher end, or lower end. If it's at the lower end, it probably means that the ED180 will allow smaller iron signals to sound off when the disc control is set at it's lowest setting. On the other hand, if the ED180 is the higher end, you may be able to discriminate against higher conductive targets when the control is set higher. The ED120 doesn't allow the same amount of adjustment as the ED180 does.

I hope that is correct as this is coming from memory which these days isn't always accurate.

HighPlainsHunter

 

[Shortstack]

ED 120 and ED 180 are the designations of the descrimination filter circuits. Kinda, sorta like RADAR target filters. But, at a lot lower frequencies. 8) The 180 has the ability to classify a larger number of targets, thereby, giving more accurate TID numbers and notches (for TID machines) and audio reactions on non-TID machines.

 

[Shenandoah Digger]

All true, but the ED 120 machines have a true all metal mode when set at the bottom of the spectrum. The ED 180 machines are still discriminating out tiny iron even when set at the lowest setting.