northwest Ferrite EMI suppressors
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Interfacion Pty Ltd is pleased to announce that the QED PI Detector has been modified to allow the use of DD (double D) coils. This change involves a simple change to the electronics within the control box.
The firmware has also been upgraded to include a further improved Ground Balance.
All detectors being delivered to new customers from Monday 5th August 2019 will already have the above upgrades included.
As a show of commitment to all QED owners, the hardware modification to allow use of the DD and CC coils will be provided at no cost.
Of course and as per the QED warranty, the firmware update is provided free of charge, except for P&H.
Any QED owner who plans to attend the Laanecoorie Bash is encouraged to bring their detector along and have it upgraded at no cost.
Standard postage and handling arrangements apply to other owners. Send via Australia Post the box (minus batteries) along with a pre-paid, pre-addressed bag/box to:
Interfacion Pty Ltd
PO Box 106R
Redan VIC 3350
Howard Rockey
Director Interfacion Pty Ltd.

australian electronic gold prospecting  |  QED users  |  QED users (Moderator: bugwhiskers)  |  Topic: Ferrite EMI suppressors 0 Members and 1 Guest are viewing this topic. « previous next »
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Author Topic: Ferrite EMI suppressors  (Read 240 times)
QED users
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Posts: 25

« on: Tuesday April 16 2019 21:26:58 AEST PM »

Evening all,

I guess this is a question mainly for Howard.  Just got a question about the Ferrite EMI suppressors that are provided with the QED. As per the online manual:

"Included in the base package are 2x ferrite
EMI required by Australian
Law. One ferrite EMI suppressor needs to be
fitted to the search coil plug inserting into the
detectors control box for each coil intended
to be used with the detector."

I'm not a technical sort of person so am wondering if the EMI suppressors are to help reduce the amount of EMI coming to the detector or to actually reduce the amount of EMI emitted from the detector into the surrounding atmosphere. 

Just wondering if they are actually helping the detectorist in any way or just provided to comply with government regs?

Thanks in advance.  NE.   happy face
global moderator
Supreme Hero Member
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Posts: 2223

« Reply #1 on: Wednesday April 17 2019 07:54:29 AEST AM »

The ferrites work both ways, reducing transmitted and received EMI. In no way do they reduce detector sensitivity to targets.

All posts are my opinion and are stated without prejudice and in the public and consumers interest.
QED users
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Posts: 25

« Reply #2 on: Wednesday April 17 2019 09:43:40 AEST AM »

Aha, thank you for the reply Bugs.

Reduced, received EMI is the important one.

Thanks again      happy face
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australian electronic gold prospecting  |  QED users  |  QED users (Moderator: bugwhiskers)  |  Topic: Ferrite EMI suppressors « previous next »
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