Ah - that seems to fit. So I wasn't too wrong in being very suspicious of the meter (or its leads!)
Is there a fuse in the suspect lead?
Kind Regards, John
RCD test fault
- Thread starter wayneward25
- Start date
Is there a fuse in the suspect lead?
Kind Regards, John
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There isnt a fuse. I did suspect these leads were faulty a few weeks back i had a few dodgy readings on an insulation test but when it came back from the calibration with everything ok I obviously thought they were ok.
I've never seen calibration tests done, nor the equipment used for it, but I'd be very surprised if it didn't use leads of known characteristics which are part of the test equipment.
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That could well be the case. In any event, the OP clearly has at least two sets of leads, and, even if his meter was tested/calibrated together with one of his sets of leads, we don't know which set.
Kind Regards, John
As far as I'm aware your own leads don't get touched when the meter is calibrated
As I (and BAS) said, that seems pretty probable, and would obviously explain why the calibration procedure did not pick up the problem with the OP's leads.
Kind Regards, John
I had the tester calibrated at a different place last year and they told me i needed new leads which are now the faulty ones. So they must have tested my leads then
Maybe, if you present them with leads as well as the meter, they (or some of them) inspect/test the leads separately from testing/calibrating the meter?
Kind Regards, John
Yea. oh well ive got new leads on order!!
What reading would you get if you probed the LIVE side instead of the LOAD side.
Years ago I wondered why the RCD wernt tripping, before realising
Years ago I wondered why the RCD wernt tripping, before realising
You obviously would not get a trip time (or current), since it wouldn't trip - you'd just get something like the OP's ">1999 ms" (or something like ">300 mA" for trip current), or some error message!
Kind Regards, John
Good man.
I've had my leads failed and my tester passed at calibration.
The leads take a lot of hammer especially at the end terminations.
The leads take a lot of hammer especially at the end terminations.
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