What is it called IR testing? | Page 3 | on ElectriciansForums

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Nice piece of kit the kewtech

I think I'm right in recalling that the analogue dial shows up certain faults better when troubleshooting

The fact that it will visibly flicker or move when testing variable type faults

Definitely an advantage of analogue meters, regardless or what measurements you are making.
 
That seems a really annoying long time for most test!

Maybe if it only applied above 500V it would make some sense to give folks a moment to think "Do I really want 1kV+ on this circuit?"
Seems a bit stupid incorporating a 5s delay

Would think a warning indicator on the higher voltages and maybe a "press to proceed" sequence or something would be better
 
Definitely an advantage of analogue meters, regardless or what measurements you are making.
Yes and recorded readings need to be exact for reference , comparison etc.

But generally speaking an analogue dial will tell you all you need to know when troubleshooting or testing
 
Yes for fault finding and troubleshooting which is the majority of my work analogue is always my first choice. The only time I would use one of those newfandangled MFT's (if I owned one) would be for EICR testing where you need a raft of test results recorded and entered onto paperwork.
 
That seems a really annoying long time for most test!

Maybe if it only applied above 500V it would make some sense to give folks a moment to think "Do I really want 1kV+ on this circuit?"
That's what the megger 1741+ does. No delay up to 500v but it will delay, beep and flash on the display for 1000v before it starts the test!

I favour an analogue meter for fault finding and still have an old Metrotest that I use for exactly this!
 
That's what the megger 1741+ does. No delay up to 500v but it will delay, beep and flash on the display for 1000v before it starts the test!

I favour an analogue meter for fault finding and still have an old Metrotest that I use for exactly this!
It will only do it on the first test at 1kV though. Repeated tests aren't subject to the warning.
 
As a point of interest, you can see the Megger X1 delay in action in this video, though in some cases it is edited out!
4 mins 46 secs shows a 250v IR test. It's painful!


On my 1553 you start to see the digital representation of the needle move immediately, and as I said above the old Robin gives an instant result. Progress, eh!
 
As a point of interest, you can see the Megger X1 delay in action in this video, though in some cases it is edited out!
4 mins 46 secs shows a 250v IR test. It's painful!


On my 1553 you start to see the digital representation of the needle move immediately, and as I said above the old Robin gives an instant result. Progress, eh!
Not sure how many times I've pointed out in the comments that he shouldn't be disconnecting the cpcs when insulation testing, and yet he still does it!
 

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