Author Topic: Using Noyafa cable/power-line tracers  (Read 303 times)

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Offline 5U4GBTopic starter

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Using Noyafa cable/power-line tracers
« on: November 11, 2024, 03:25:24 am »
Noyafa makes a whole range of cable tracers, one of which was reviewed by Dave.  The products are actually reasonbly decent, problem is the instructions are pretty dire.  I got an NF-825 back when they were crowdfunding it and recently had to use it for power line tracing rather than the usual network tracing, and at this point the wheels came off.

The docs talk about the transmitter having a "Strong electricity tracking" (i.e. 110V/220V) and "Network cable tracking" setting, and the receiver having a "Tracking" button.  See if you can find them:



By a process of trial and error I've come up with the following results:

TypeTransmitterReceiverResult
Cat5LiveScan - RedStandard beep
LiveScan - Green-
ScanScan - Red-
ScanScan - GreenHigh-pitched beep
PowerLiveScan - RedStandard beep
LiveScan - Green-
ScanScan - Red-
ScanScan - Green-

So it looks like "Live" puts a signal onto both the mains and Cat5 outputs (according to the docs 157kHz) while "Scan" only puts a signal onto the Cat5 outputs (according to the docs 455kHz).  In other words Live + Scan - Red is for mains cable tracing, Scan + Scan - Green is for Cat5 tracing.
 
If anyone has any more insight on this I'd love to hear it.  It's quite a useful piece of test gear, just let down by the docs.
 

Offline 5U4GBTopic starter

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Re: Using Noyafa cable/power-line tracers
« Reply #1 on: November 14, 2024, 10:10:40 am »
As a followup, this recently allowed me to fairly precisely trace out a wiring run where two different NCV's wouldn't even give a reading.  Saved me about half a day of speculatively dismantling equipment to try and find it from the other side of the wall, it was exactly where the tracer said it should be.
 


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