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Definitely an advantage of analogue meters, regardless or what measurements you are making.
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What is it called IR testing?
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Definitely an advantage of analogue meters, regardless or what measurements you are making.
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
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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.
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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!
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It will only do it on the first test at 1kV though. Repeated tests aren't subject to the warning.
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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!
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!
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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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When testing yes, but sometimes useful to disconnect them when fault finding.
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