Products > Test Equipment
Multimeter CAT II Rating Discontinuation
Fungus:
--- Quote from: mendip_discovery on July 24, 2023, 01:50:35 pm ---To me it just looks like a child's first attempt at designing a plug and socket.
--- End quote ---
Yes, but you're from the UK.
To an American it'll look like something they use at NASA.
themadhippy:
--- Quote ---even if you add stubborn UK with its 240 VAC
--- End quote ---
Nope, uk's declared voltage is 230V and has been for 20 years
Neilm:
If I remember what one of the commitee members told me, I think there is another version of -2-033 due for release this year. I don't remember if it a major change or not
In regards the sockets, it is rated CATII probing in the socket and CATIII if you pull it off the wall and probe the back.
Gyro:
--- Quote from: themadhippy on July 24, 2023, 06:19:57 pm ---
--- Quote ---even if you add stubborn UK with its 240 VAC
--- End quote ---
Nope, uk's declared voltage is 230V and has been for 20 years
--- End quote ---
Well, to be more honest, we switched to 230V -6% / +10% as part of European harmonization, ie. we didn't change a damn thing. Coincidentally, our DNO switched our local substation tap to 230V just the other week - about time because we were getting 250V+ before!
P.S. It was nearer 30 years.
J-R:
US residential terminology is perhaps open for debate, but generally it should be called split phase, not single phase nor two phase. The highest potential from ground is only 120V, so that is why the US outlet design works well enough as-is. You can also get away with touching 120V under most circumstances. Although electrical code at the moment requires arc fault protection, ground fault protection and outlet shutters. The precise combination of those depends on the location. Many homes are grandfathered in but if you perform repairs you must meet the new code.
My gripe with the IEC language on the clamp multimeters is that they actually use the word "multimeter" which invites confusion. Hopefully they mean clamp "meters" are exempt but clamp "multimeters" are not if they can measure mains voltages. It's so rare to see a clamp "multimeter" that doesn't measure mains voltages.
The power meter statement is even worse as you will be measuring voltage along with current to get the power. So no idea why they would exempt those.
Maybe this new revision coming out will clean things up.
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